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Text
de la PicoBoard.
S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them. S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them.SNAP4ARDUINO BETA
Snap4Arduino is being built by the same team that developed S4A, with the collaboration of Ernesto Laval.. Briefly, these are some Snap4Arduino strong and weak points: The Good. Almost all Arduino boards supported (including Mega and Nano!); Auto-configurable pinouts so you can take advantage of your board's full capabilities S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
>> SAMPLE 1
>>Sample 1 - Musical instrument with S4A Code tips and questions To select an instrument: To play a note: To store the sensor value into a variable (in order to use it several times without SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A LCD LIBRARY FOR SNAP4ARDUINO Please follow the instructions in the Arduino official page (look for the Circuit section) in order to properly wire your LCD screen to the board.. In this package you will find the modified Firmata you need to push to your board (LCDFirmata.ino) and the blocks library forSnap4Arduino
S4ATRANSLATE THIS PAGE ScratchV02 љObjS Stch 2 c c c c c c c c c c c c c c thumbnail# x c c author history D2010-10-29 18:31:46 save button 2010-10-29 18:36:27 save button language en scratch-version 1.4 (source code of 23-Sep-09) platform Win32 os-version NT ЎтАбб y ! GETTING READY FOR SCRATCH@MIT We’ll be presenting Snap4Arduino at Scratch@MIT this year, so we’ve been pushing hard to fix some annoying issues before going on holiday.. First of all, we have to thank Ernesto Laval for his great contribution to the project, as he’s responsible for Snap4Arduino now fully working on MacOSX!. Additionally, we’ve fixed the following bugs and features: SNAP4ARDUINO 1.0.6 BETA A long time has passed since the last post, and a lot has happened since then! We officially presented Snap4Arduino at the 2015 European Scratch Conference in Amsterdam, along with some other projects (Snapi! and BeetleBlocks), and we’ve been trying to get this new release ready since then.. It’s been once again thanks to Ernesto Laval that we’ve been able to do so, since we weren’tHELLO SCRATCH
Hello Scratch - S4A
A VERY YOUNG ROBOT PROGRAMMER Some days ago we received one of these emails that help us keep on doing what we do. It was sent to us by the parents of Emily Ulloa, a 7 years old girl from Ecuador, who presented S4A at BarCamp Ambato 2015, introducing herself as a robot programmer: S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them. S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them.SNAP4ARDUINO BETA
Snap4Arduino is being built by the same team that developed S4A, with the collaboration of Ernesto Laval.. Briefly, these are some Snap4Arduino strong and weak points: The Good. Almost all Arduino boards supported (including Mega and Nano!); Auto-configurable pinouts so you can take advantage of your board's full capabilities S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
>> SAMPLE 1
>>Sample 1 - Musical instrument with S4A Code tips and questions To select an instrument: To play a note: To store the sensor value into a variable (in order to use it several times without SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A LCD LIBRARY FOR SNAP4ARDUINO Please follow the instructions in the Arduino official page (look for the Circuit section) in order to properly wire your LCD screen to the board.. In this package you will find the modified Firmata you need to push to your board (LCDFirmata.ino) and the blocks library forSnap4Arduino
S4ATRANSLATE THIS PAGE ScratchV02 љObjS Stch 2 c c c c c c c c c c c c c c thumbnail# x c c author history D2010-10-29 18:31:46 save button 2010-10-29 18:36:27 save button language en scratch-version 1.4 (source code of 23-Sep-09) platform Win32 os-version NT ЎтАбб y ! GETTING READY FOR SCRATCH@MIT We’ll be presenting Snap4Arduino at Scratch@MIT this year, so we’ve been pushing hard to fix some annoying issues before going on holiday.. First of all, we have to thank Ernesto Laval for his great contribution to the project, as he’s responsible for Snap4Arduino now fully working on MacOSX!. Additionally, we’ve fixed the following bugs and features:HELLO SCRATCH
Hello Scratch - S4A
SNAP4ARDUINO 1.0.6 BETA A long time has passed since the last post, and a lot has happened since then! We officially presented Snap4Arduino at the 2015 European Scratch Conference in Amsterdam, along with some other projects (Snapi! and BeetleBlocks), and we’ve been trying to get this new release ready since then.. It’s been once again thanks to Ernesto Laval that we’ve been able to do so, since we weren’t A VERY YOUNG ROBOT PROGRAMMER Some days ago we received one of these emails that help us keep on doing what we do. It was sent to us by the parents of Emily Ulloa, a 7 years old girl from Ecuador, who presented S4A at BarCamp Ambato 2015, introducing herself as a robot programmer: S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo>> SAMPLE 1
>>Sample 1 - Musical instrument with S4A Code tips and questions To select an instrument: To play a note: To store the sensor value into a variable (in order to use it several times without SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them. S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo>> SAMPLE 1
>>Sample 1 - Musical instrument with S4A Code tips and questions To select an instrument: To play a note: To store the sensor value into a variable (in order to use it several times without SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them.SNAP4ARDUINO BETA
Snap4Arduino is being built by the same team that developed S4A, with the collaboration of Ernesto Laval.. Briefly, these are some Snap4Arduino strong and weak points: The Good. Almost all Arduino boards supported (including Mega and Nano!); Auto-configurable pinouts so you can take advantage of your board's full capabilities S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
S4ATRANSLATE THIS PAGE ScratchV02 ѕObjS Stch 2 c c c c c c c c c c c c c c thumbnail# x c c author history h2010-10-25 20:09:12 save ledRGB 2010-10-29 18:41:57 save rgb_led 2010-10-29 18:46:51 save rgb_led language en scratch-version 1.4 (source code of 23-Sep-09) platform Win32 os-version NT ЎтАбб y ! EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
SNAP4ARDUINO 1.0.6 BETA A long time has passed since the last post, and a lot has happened since then! We officially presented Snap4Arduino at the 2015 European Scratch Conference in Amsterdam, along with some other projects (Snapi! and BeetleBlocks), and we’ve been trying to get this new release ready since then.. It’s been once again thanks to Ernesto Laval that we’ve been able to do so, since we weren’t ULTRASOUND LIBRARY FOR SNAP4ARDUINO In this package you will find the modified Firmata you need to push to your board (UltrasoundFirmata.ino) and the blocks library for Snap4Arduino (Ultrasound-library.xml).7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. GETTING READY FOR SCRATCH@MIT We’ll be presenting Snap4Arduino at Scratch@MIT this year, so we’ve been pushing hard to fix some annoying issues before going on holiday.. First of all, we have to thank Ernesto Laval for his great contribution to the project, as he’s responsible for Snap4Arduino now fully working on MacOSX!. Additionally, we’ve fixed the following bugs and features: S4A DOWNLOAD MIRRORS Since we have sometimes experienced problems with our VPS provider, we’ve decided to set up some mirrors for all S4A files. We’ve also included previous versions, as A VERY YOUNG ROBOT PROGRAMMER Some days ago we received one of these emails that help us keep on doing what we do. It was sent to us by the parents of Emily Ulloa, a 7 years old girl from Ecuador, who presented S4A at BarCamp Ambato 2015, introducing herself as a robot programmer: S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them. S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them.SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it: S4ATRANSLATE THIS PAGE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
>> SAMPLE 2
>> Sample 2 - Domotics with S4A Introduction Demonstration of a domotic application of a "curtain-blind" powered by a continuous rotation servo and a light sensor (LDR). SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A LCD LIBRARY FOR SNAP4ARDUINO Please follow the instructions in the Arduino official page (look for the Circuit section) in order to properly wire your LCD screen to the board.. In this package you will find the modified Firmata you need to push to your board (LCDFirmata.ino) and the GETTING READY FOR SCRATCH@MIT We’ll be presenting Snap4Arduino at Scratch@MIT this year, so we’ve been pushing hard to fix some annoying issues before going on holiday.. First of all, we have to thank Ernesto Laval for his great contribution to the project, as he’s responsible for Snap4Arduino now fully working on MacOSX!. Additionally, we’ve fixed the following bugs and features: S4A DOWNLOAD MIRRORS Since we have sometimes experienced problems with our VPS provider, we’ve decided to set up some mirrors for all S4A files. We’ve also included previous versions, as ULTRASOUND LIBRARY FOR SNAP4ARDUINO In this package you will find the modified Firmata you need to push to your board (UltrasoundFirmata.ino) and the blocks library for Snap4Arduino (Ultrasound-library.xml).HELLO SCRATCH
Hello Scratch - S4A
A VERY YOUNG ROBOT PROGRAMMER Some days ago we received one of these emails that help us keep on doing what we do. It was sent to us by the parents of Emily Ulloa, a 7 years old girl from Ecuador, who presented S4A at BarCamp Ambato 2015, introducing herself as a robot programmer: S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGES4A ACCESSS4A ARDUINOS4A DOWNLOADKLIPSCH IMAGE S4APARKER S4A SOLENOID VALVE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them. S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGES4A ACCESSS4A ARDUINOS4A DOWNLOADKLIPSCH IMAGE S4APARKER S4A SOLENOID VALVE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them.>> SAMPLE 1
>>Sample 1 - Musical instrument with S4A Code tips and questions To select an instrument: To play a note: To store the sensor value into a variable (in order to use it several times without SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A>> SAMPLE 2
>> Sample 2 - Domotics with S4A Introduction Demonstration of a domotic application of a "curtain-blind" powered by a continuous rotation servo and a light sensor (LDR). SNAP4ARDUINO 1.0.6 BETA A long time has passed since the last post, and a lot has happened since then! We officially presented Snap4Arduino at the 2015 European Scratch Conference in Amsterdam, along with some other projects (Snapi! and BeetleBlocks), and we’ve been trying to get this new release ready since then.. It’s been once again thanks to Ernesto Laval that we’ve been able to do so, since we weren’t EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
GETTING READY FOR SCRATCH@MIT We’ll be presenting Snap4Arduino at Scratch@MIT this year, so we’ve been pushing hard to fix some annoying issues before going on holiday.. First of all, we have to thank Ernesto Laval for his great contribution to the project, as he’s responsible for Snap4Arduino now fully working on MacOSX!. Additionally, we’ve fixed the following bugs and features: BLUETOOTH CAR IN SNAP4ARDUINO This weekend we’ve been invited to the Maiker Faire Rome to give a workshop on Snap4Arduino, in which we wanted to get the kids to play with robotic cars (both ours and their MilkBots).Cables are really a nuissance when it comes to things with wheels, so we’ve been exploring how to connect the robots to some bluetooth modules we had laying around from an old project.HELLO SCRATCH
Hello Scratch - S4A
ULTRASOUND LIBRARY FOR SNAP4ARDUINO In this package you will find the modified Firmata you need to push to your board (UltrasoundFirmata.ino) and the blocks library for Snap4Arduino (Ultrasound-library.xml). A VERY YOUNG ROBOT PROGRAMMER Some days ago we received one of these emails that help us keep on doing what we do. It was sent to us by the parents of Emily Ulloa, a 7 years old girl from Ecuador, who presented S4A at BarCamp Ambato 2015, introducing herself as a robot programmer: S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGES4A ACCESSS4A ARDUINOS4A DOWNLOADKLIPSCH IMAGE S4APARKER S4A SOLENOID VALVE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them. S4ACODEHELLO SCRATCHBLOGCASNAP4ARDUINO BETA Hardware? Child's Play! Scratch for Arduino (S4A) is a modified version of Scratch, ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around the world.. Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch. S4ATRANSLATE THIS PAGES4A ACCESSS4A ARDUINOS4A DOWNLOADKLIPSCH IMAGE S4APARKER S4A SOLENOID VALVE Què és S4A. S4A és una modificació d'Scratch que permet programar la plataforma de hardware lliure Arduino d'una manera senzilla. Proporciona blocs nous per tractar amb sensors i actuadors connectats a una placa Arduino.També compta amb un panell de sensors similar alde la PicoBoard.
SNAP4ARDUINO BETA
Welcome to the public beta release of Snap4Arduino! What is it? If you know Berkeley Snap (BYOB) and Arduino, you might already have guessed this is a combination of both.. Snap4Arduino is a modification of the Snap visual programming language that lets you seamlessly interact with almost all versions of the Arduino electronic prototyping board.. A short example of what you can do with it:S4A
// NEW IN VERSION 1.5: // Changed pin 8 from standard servo to normal digital output // NEW IN VERSION 1.4: // Changed Serial.print() for Serial.write() in ScratchBoardSensorReport function to make it compatible with latest Arduino IDE (1.0) // NEW IN VERSION 1.3: // Now it works on GNU/Linux.S4A
// NEW IN VERSION 1.6c (by Jorge Gomez): // Fixed variable type in pin structure: pin.state should be int, not byte // Optimized speed of execution while receiving data from computer in readSerialPort() // NEW IN VERSION 1.6b (by Jorge Gomez): // Added new structure arduinoPins to hold the pins information: // - This makes the code easier to read and modify (IMHO) // - Allows to change the>> SAMPLE 3
>> Sample 3 - Programming a robot with S4A Introduction Building a simple robot and controlling it by using the computer keyboard (typically with the arrow keys) with Scratch 4 Arduino. SCRATCH FOR ARDUINO PROTOCOL SPECIFICATION Scratch for Arduino Protocol Specification Actuators messages (Data from Scratch to Arduino) S4A Name Motor 4 Analog 5 Analog 6 Motor 7 Motor 8 Analog 9 Digital 10 Digital 11 Motor 12 Digital 13 Type Continuous rotation Servomotor Pseudo SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A7-SEGMENT DISPLAY
There is a very particular citizen workgroup at Citilab called Nous Artesans (New Artisans). It is a very heterogenous group, formed by people with very different backgrounds, ages and skills, but with a common interest in tinkering and building things. FIRST LIST NINJA CONTEST We are launching the first S4A/Snap4Arduino List Ninja Contest as an effort to help newcomers learn their way towards prototyping mastery while rewarding those who offer their knowledge and expertise to them.>> SAMPLE 1
>>Sample 1 - Musical instrument with S4A Code tips and questions To select an instrument: To play a note: To store the sensor value into a variable (in order to use it several times without SNAP4ARDUINO 1.1-BETA We’ve just published a new Snap4Arduino version, codenamed 1.1-beta.. These are the major changes included in this release: New HTTP protocol, analogous to the one that Scratch 1.4 used to have (and thus S4A), that allows us to control Snap4Arduino via the Internet or LAN.To learn more about it, please refer to this old Scratch wiki entry.This also means you can now use our old S4A>> SAMPLE 2
>> Sample 2 - Domotics with S4A Introduction Demonstration of a domotic application of a "curtain-blind" powered by a continuous rotation servo and a light sensor (LDR). SNAP4ARDUINO 1.0.6 BETA A long time has passed since the last post, and a lot has happened since then! We officially presented Snap4Arduino at the 2015 European Scratch Conference in Amsterdam, along with some other projects (Snapi! and BeetleBlocks), and we’ve been trying to get this new release ready since then.. It’s been once again thanks to Ernesto Laval that we’ve been able to do so, since we weren’t EXTENDING FIRMATA FOR SNAP4ARDUINO 0x08 is the name of the new SYSEX command we have just added. In StandardFirmata, commands from 0x08 to 0x0F are free for us to use.argv contains the first argument passed to this function, in our case it will just be the pin number. Notice how further arguments can be accessed just by increasing this index. Believe it or not, weare done here!
GETTING READY FOR SCRATCH@MIT We’ll be presenting Snap4Arduino at Scratch@MIT this year, so we’ve been pushing hard to fix some annoying issues before going on holiday.. First of all, we have to thank Ernesto Laval for his great contribution to the project, as he’s responsible for Snap4Arduino now fully working on MacOSX!. Additionally, we’ve fixed the following bugs and features: BLUETOOTH CAR IN SNAP4ARDUINO This weekend we’ve been invited to the Maiker Faire Rome to give a workshop on Snap4Arduino, in which we wanted to get the kids to play with robotic cars (both ours and their MilkBots).Cables are really a nuissance when it comes to things with wheels, so we’ve been exploring how to connect the robots to some bluetooth modules we had laying around from an old project.HELLO SCRATCH
Hello Scratch - S4A
ULTRASOUND LIBRARY FOR SNAP4ARDUINO In this package you will find the modified Firmata you need to push to your board (UltrasoundFirmata.ino) and the blocks library for Snap4Arduino (Ultrasound-library.xml). A VERY YOUNG ROBOT PROGRAMMER Some days ago we received one of these emails that help us keep on doing what we do. It was sent to us by the parents of Emily Ulloa, a 7 years old girl from Ecuador, who presented S4A at BarCamp Ambato 2015, introducing herself as a robot programmer:CA ES PT
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ABOUT S4A
S4A is a Scratch modification that allows for simple programming of the Arduino open source hardware platform. It provides new blocks for managing sensors and actuators connected to Arduino . There is also a sensors report board similar to the PicoBoard one. The main aim of the project is attracting people to the programming world. The goal is also to provide a high level interface to Arduino programmers with functionalities such as interacting with a set of boards through user events.THE INTERFACE
_An S4A program to control a light-sensor Theremin, with record and playback capabilities_ Arduino objects offer blocks for the basic microcontroller functionalities, analog and digital writes and reads, and also for higher level ones. You can find blocks to manage standard and continuous rotation servomotors: In S4A, an Arduino board is represented by a special kind of sprite. The Arduino sprite will automatically find the usb port where the board is connected. It is possible to connect to multiple boards at the same time by just adding a new Arduino sprite.TECHNICAL DETAILS
SUPPORTED BOARDS
S4A works with Arduino Diecimila, Duemilanove and Uno. Other boards haven't been tested, but they may also work.CONNECTIVITY
Components have to be connected in a particular way. S4A allows for 6 analog inputs (analog pins), 2 digital inputs (digital pins 2 and 3), 3 analog outputs (digital pins 5, 6 and 9), 3 digital outputs (pins 10, 11 and 13) and 4 special outputs to connect Parallax continuous rotation servomotors (digital pins 4, 7, 8 and 12). You can manage a board wirelessly by attaching an RF module to it,such as Xbee.
S4A allows you to control as many boards as USB ports you have.COMPATIBILITY
S4A is backwards compatible with Scratch , so you can open Scratch projects in it. However, you won't be able to share your projects on the Scratch community website because doing so goes against the Scratch terms of use. Take in account that this compatibility doesn't work both ways, so you won't be able to open an S4A project from within the original Scratch.
Using a PicoBoard along with an Arduino board isalso supported.
PROTOCOL
S4A interacts with Arduino by sending the actuator states and receiving sensor states every 75 ms, therefore the pulse width needs to be greater than this time period. The data exchange follows the PicoBoard protocol and needs a specific program (firmware) to be installed in the board. Please refer to the Downloads section for further instructions on how to do so.DONATE TO S4A
If you wish to help us continue developing and maintaining this project, you can always make a donation! HARDWARE? CHILD'S PLAY! Scratch for Arduino (S4A) is a modified version of Scratch , ready to interact with Arduino boards. It was developed in 2010 by the Citilab Smalltalk Team and it has been used since by many people in a lot of differents projects around theworld.
Our main purpose was to provide an easy way to interact with the real world by taking advantage of the ease of use of Scratch.
DOCUMENTATION AND EXAMPLES Here you'll find all the documentation, videos, examples and exerciceswe have created.
WORKSHOP
A zip file with complete materials and exercices for a workshop can bedownloaded here:
Elisava Workshop Materials 2011 These materials were created and used by our team in an actual S4A course at the Elisava School of Design (Barcelona) in 2011.BASIC EXAMPLES
Here you'll find basic S4A examples, complete with the Arduino schematics and an .sb Scratch project file for you to download.BUTTON AND LED
A simple example showing how to trigger an LED by pushing a button.Code
RGB LED
Using an RGB LED from Scratch.Code
BUTTON, LED AND KEEPING STATE An LED that switches state when we push a button.Code
PHOTORESISTOR AND LED Using the input of a photoresistor sensor to trigger an LED.Code
VIDEOS
Some of the following demos are in Catalan or Spanish, but the images pretty much speak for themselves. Some of the videos have Englishsubtitles as well.
FULL-FEATURED ROBOT
A robot with a rotative camera, distance sensors and a remote control. It uses two arduino boards (remote control + robot), an XBee wireless module, three IR sensors, a camera module and three servomotors. S4A WORKSHOP INTRODUCTION This video serves as an introduction for the S4A workshops given at Citilab , but you'll find a couple of demos of what can be achieved with our software.EXERCICES
Music: A theremin-like instrument Domotics: A blind curtain controller Robotics: A keyboard-driven carFOR DEVELOPERS
S4A Protocol Specs
EXTERNAL DOCUMENTATION LINKS Manual de S4A - by José Manuel Ruiz Gutiérrez Scratch IO Wiki - by José Javier VitónArduteka Blog: S4A
ANDROID
HI SCRATCH FOR ARDUINO! We have developed a simple Android application that can communicate with S4A through HTTP by means of the remote sensors protocol in Scratch . You can download it here or by scanning the QR code below: To use it, follow the instructions below: * In S4A, enable remote sensors (right click on any "Sensors" block) * In HiS4A (Android), type the local network IP of the PC where S4A is running (you can find that out through Edit > Show IP address), plus the prefix (only needed if you are connecting from more than oneAndroid client)
* The buttons correspond to messages and the touchpad and slider toremote sensors
_IMPORTANT! Both S4A as HiS4A must be connected to the same localnetwork!_
HTTP API
The Android application uses a very simple protocol we developed on top of the Scratch HTTP message protocol, so it is also possible to interact to S4A from a browser or any other network enabled application. You will first need to enable the remote sensors option in S4A (right click on any "Sensors" block). MESSAGE SPECIFICATION Broadcast a message: HTTP://:42001/BROADCAST= Send the value of a remote sensor (for instance, the client's accelerometer, mouse position, etc): HTTP://:42001/SENSOR-UPDATE== Update an S4A variable: HTTP://:42001/VARS-UPDATE== TEST WEB APPLICATION If you want to see the HTTP API in action, you can do so from our testwebapp:
Hi S4A! from the Web Using the example web application: * S4A variables whose name starts with a plus sign (i.e. +playerName) are visible and modifiable from the web client * S4A variables whose name starts with a minus sign (i.e. -playerScore) are only visible (not modifiable) from the web client * S4A variables whose name doesn't start ether with a minus or plus sign are not visible from the web client * S4A messages whose name starts with a plus sign (i.e. +startGame) are visible from the web client * S4A messages whose name doesn't start with a plus sign are not visible from the web clientCHANGELOG
VERSION 1.6
S4A:
* Fixed issue on block watchers when displaying %t instead thesensor name
* Fixed issue when analog input error not disappearing * Fixed bug when creating new Arduino object and selecting an existing connection _(thanks to Vaner Anampa, Erik Bartmann and many more for reporting this bug)_ * Changed default pins and their order on Arduino blocks (as before) * Merged servo blocks, now pins 8, 7 and 4 can be used for standardand CR servomotors.
* Added HTTP block (GET method) as requested by IMI ("Institut Municipal d'Informatica") of Barcelona * Updated some translation files. Thanks to: * Frederique Pinson - French (fr.po) * Miguel Bouzada - Galician (gl.po) * Fabio Albanese - Italian (it.po) * Sungkuk Lim - Korean (ko.po) * Jan Van den Bergh - Dutch (nl.po) * Vadim Litvenko - Russian (ru.po) * Johan Solve - Swedish (sv.po)FIRMWARE:
* Refactored reset pins * Merged code for standard and CR servos * Merged patch for Leonardo from Peter Mueller (many thanks forthis!)
VERSION 1.5
* Fixed object collision bug (Arduino and non-Arduino) * Fixed bug related to persistent message error when stopping and resuming connection with the board * Changed indexed primitives to named ones for better compatibility with new Squeak VMs (thanks to Miriam Ruiz for the patch) * Changed pin 12 from standard servo to normal digital output * Changed default pin at digital on/off blocks from 13 to 10 * Added reset actuators block * Improved Catalan and Spanish translationsVERSION 1.4
* Added full compatibility with HTTP protocol (POST AND GET), you can now send messages to S4A and watch/modify variable values from an Internet browser (among other things). See Android section. * Added a "check for updates" option in "Help" menu, from now on there is no need to visit website to check for new versions * Language is now detected upon first launch (when Scratch.ini file doesn't exist). Also saved in same file if changed from language menu * Serial port where a board is connected opens correctly when S4A islaunched
* Fixed bug in Windows version, in which title bar didn't show the name and version of S4A when launchedVERSION 1.3
* Fixed compatibility with Arduino UNO on Linux (thanks to Jorge Gómez). You will need to load the new firmware, besides updating the bootloader in some boards * Changed the sensor board names and their corresponding Arduino blocks to show real pin numbers * Added server commands to "Edit" menu to manage network communication over sockets * Added compatibility for Android apps (HiS4A) * Improved Catalan and Spanish translations* Lots of bugfixes
DOWNLOAD AND INSTALL Installing S4A requires you to install software both in your PC and your Arduino board. Here you'll find the detailed steps to get it up and running. INSTALLING S4A INTO YOUR COMPUTER S4A works in the three major consumer operating systems. Download and install the one that fits your configuration:* Windows
* Mac
* Linux (Debian)
* Linux (Fedora) _(version 1.5)_ * Raspbian (Debian for RaspberryPi)_(version 1.5)_
INSTALLING THE FIRMWARE INTO YOUR ARDUINO This firmware is a piece of software you need to install into your Arduino board to be able to communicate with itfrom S4A.
* Download and install the Arduino environment by following the instructions on http://arduino.cc/en/Main/Software. Take in account Arduino Uno requires at least version 0022. * Download our firmware from here * Connect your Arduino board to a USB port in your computer * Open the firmware file (S4AFirmware16.ino) from the Arduinoenvironment
* In the Tools menu, select the board version and the serial port where the board is connected * Load the firmware into your board through File > UploadARDUINO DRIVERS
If you are a Microsoft Windows user, you may need to install the Arduino drivers into your computer: Arduino drivers for Microsoft WindowsFOR DEVELOPERS
S4A is free software distributed under an MITlicense.
Since Scratch is actually a Squeak Smalltalk image, all of its code is actually shipped with the final user version itself. To access it, just shift + left click on the S4A "File" menu and select "Exit User Mode". You're now in front of a classic Squeak 2.8 image, and have access to a Browser, Workspace and all tools you're used to. However, in the final user version some code has been compiled and you'll be missing several variable and message argument names, which is why we are also providing you with a clean source code image for developers, downloadable here: S4A Developer Edition ALTERNATIVE DOWNLOAD SITE Since our VPS provider may sometimes be down, we've set up an alternative location for all files, including old versions:S4A Dropbox folder
S4A KIT
COMING SOON!
As a response to requests by the S4A community, several of our students, and users around the globe, we are developing a series of kits that will provide the necessary hardware to get started with S4A, with preinstalled firmware and documentation. These kits will come in incremental upgrades, so that you won't need to pay for components you don't require for your project.Stay tuned!
FREQUENTLY ASKED QUESTIONSGENERAL QUESTIONS
CAN THE S4A FIRMWARE DAMAGE THE BOARD? In fact, our "firmware" is just like any other Arduino sketch, so there is no risk at all. Of course, you can upload other sketches to the board and then upload the S4A firmware again when needed. CAN THE S4A PROGRAMS BE PUSHED INTO THE ARDUINO BOARD? There is currently no way to compile code into Arduino binaries. It must be said that S4A was conceived as an improvement of the older versions of Scratch (the ones that were developed in Smalltalk ), to make learning how to program real-world objects easier to everyone, specially to children, by dealing with these real objects in the same way they'd deal with Scratch "normal objects", so they can interact between them. In other words, it was not made to program the board directly, but to help learn programming and electronics at thesame time.
Still, if what you want is to just get rid of the USB cable, we recommend you use a wireless device like XBee.
CAN I CHANGE THE PINOUT CONFIGURATION? Unfortunately, no. Pin configuration is hardcoded both in the firmware and in the source code of S4A, and the way S4A is made does not allow to change source code "on the fly". So, until we find a better way or enhance the communication protocol between the board and the program, the only way to customize the pinout is by changing both S4A source code and the firmware. There is a Spanish unofficial guide availablehere
(thanks to Borja Pérez). WHICH BOARDS DOES S4A SUPPORT? S4A works with Arduino Diecimila, Duemilanove and Uno. Other boards haven't been tested, but they may also work. WILL S4A WORK ON MY PC? S4A works on the three major consumer operating systems: Microsoft Windows, GNU/Linux and MacOS. So yes, it will most probably work onyour PC.
INSTALLATION TROUBLESHOOTING I CAN'T INSTALL IT ON 64-BIT UBUNTU/DEBIAN The Debian version of S4A is packaged only for i386 systems. To get it working in a 64-bit version, you need to follow the following steps (in a terminal, as root): Fist of all, enable i386 packages and install ia32-libs dpkg --add-architecture i386apt-get update
apt-get install ia32-libsThen install S4A:
dpkg -i --force-architecture S4A16.deb I'M HAVING ISSUES TRYING TO INSTALL IT ON MACOS Since MacOS 10.8 (Mountain Lion), Gatekeeper is set up by default to allow downloaded applications only from "Mac App Store and identified developers". To install S4A, you'll need to change this option to"Anywhere".
More info here
.
BOARD CONNECTION TROUBLESHOOTING I'VE CONNECTED THE BOARD AND S4A DOES NOT DETECT IT Make sure you have uploaded the latest S4A firmware to the board before starting S4A. To do this you'll need the official Arduino IDE.
Please follow the instructions on the Downloads section in thiswebsite.
BEEN THERE, DONE THAT. BOARD STILL NOT DETECTED This is a common known issue in Windows operating systems. Try stopping the connection with the board (right-click on sensor board in S4A), unplugging the USB cable, plugging it again and restarting the connection. If the program still does not detect the board, there may be a conflicting serial COM port causing S4A to hang when trying to open it. To avoid this, try opening it directly (right-click on sensor board and select serial port) or changing the assigned Arduino COM port through the Windows Device Manager. For more help on this issue, please visit this guide.
THE TEAM
S4A has been developed at Citilab by the Edutec Research Group, with the help of the Smalltalk.cat programming group and of collaborators like Jorge Gómez, who leads the hardware and software educational project at Miscela .MARINA CONDE
Marina Conde got her bachelor degree in Computer Science in the Technical University of Catalonia (UPC) in 2009, and graduated as a Computer Engineer in 2012 in the same university. While working at Citilab , she developed her first final thesis, which consisted in building a framework to work with Arduino boards from within the Pharo Smalltalk environment. Later on, she used this project as the basis on which S4A was written.VÍCTOR CASADO
Víctor chose to study Computer Science in the Autonomous University of Barcelona (UAB), but after two years he switched to the Castelldefels School of Technology (EPSC) to course the technical degree on telecommunications. While there, he had the opportunity to enter Citilab through an internship, where he later developed S4A, his final thesis.JOAN GÜELL
Joan is a biologist who, in his early years, worked in the field of ecology. The need to analyze the generated information and collected data drove his approach to computing. He enrolled to his first programming course in 1975, when computers where still programmed by means of punch cards. His main work in Citilab has been related to the field of training in two areas: teaching programming with Scratch , especially to children, and teaching computer skills to early adult citizens.JOSE GARCÍA
Jose studied advanced telecommunications engineering, but started working at a publishing firm before completing his degree. During his time at the company, he worked on programming a wide variety ofapplications.
At Citilab , he discovered Scratch and Smalltalk , taking up part of his programming work again. Later on, he joined different projects that aim to establish closer contact between users and programming. He currently leads the Technological Education Researchteam Edutec .
BERNAT ROMAGOSA
In 2009, Bernat graduated as a technical engineer in Computer Science at the Open University of Catalonia (UOC). He learned Smalltalk at a course given by Jordi Delgado at Citilab in 2008, where he was later hired to build an online programming school. Since then, he's been involved in several programming projects in Citilab , including a social knowledge management system and different educational applications.JORDI DELGADO
Jordi is an associate professor at the Software Departament of the Technical University of Catalonia (Universitat Politècnica de Catalunya). He belongs to the research group LARCA and teaches at the Barcelona School of Informatics. He spends most of his time divulging, spreading the word of and programming in Smalltalk , an amazing programming language that, you know, everyone should be using. He is a member of the board of the European Smalltalk Users Group (ESUG) and he leads the Smalltalk.cat localgroup.
SMALLTALK
Scratch was developed in Squeak Smalltalk by the MIT. Being Smalltalk programmers ourselves, we were able to modify its source code in order to achieve interaction with Arduinoboards.
COMMUNITY
For any questions and answers, please use the community support mail list. You can subscribe by sending an email to: s4a-community+subscribe@googlegroups.com Once subscribed, you can reach the list at: s4a-community@googlegroups.com And you can subscribe, contribute and browse the mail list forum at:Mail List Web Site
CONTACT US
You can reach us at scratch@citilab.eu to report bugs or for any suggestions you may have. COPYRIGHT © 2015 CITILAB S4A is free software distributed under an MITlicense
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