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RECANTHA.CO.UK
Welcome to recantha.co.uk. Hello, my name is Michael Horne. I am a web developer with over 20 years of experience developing websites and databases. This page will tell you a lot about me, my work, my hobbies and my family. I live in Potton, Bedfordshire with my wife, Tracey and two step-children. Life hasn’t always been easy, but we hold GUEST POST - BUILDING A CUSTOM RASPBERRY PI PICO-POWEREDSEE MORE ONRECANTHA.CO.UK
PLAYING SOUNDS FROM THE RASPBERRY PI PICO USING And I wondered was the functionality so new that I was using a too-old version of CircuitPython and its libraries? I downloaded the latest stable build of the CircuitPython UF2 from this page which was 6.2.0-beta.4 at the time. I also downloaded the latest version of the Libraries and updated the PIOASM Python file from there onto my Pico. I ran it again and it worked! USING A DS18B20 ONE-WIRE TEMPERATURE SENSOR WITH A I’ve just found this simple tutorial for using a “one-wire” temperature sensor with the Pico. The author has used a breakout module that includes the necessary resistor to stabilise the signal, but has also given instructions for wiring up the sensor if you don’t happen to have the module. GETTING SET-UP WITH THE PIMORONI PICO EXPLORER AND USINGSEE MORE ONRECANTHA.CO.UK
USE THE SCREEN ON THE PIMORONI PICO EXPLORER FROM A little while ago, on Twitter, I bemoaned that CircuitPython didn’t “just work” with the Pimoroni Pico Explorer. On this board, there is a little LCD screen, an ST7789. Theoretically, a CircuitPython library exists for it, but it didn’t quiteRead more → ADVENTURES IN I2C: CLOCK STRETCHING ON THE RASPBERRY PI However, it is possible to use an alternate set of pins for I2C and use software clock stretching. This is documented on GitHub here. Here is the relevant bit: Raspbian has a software I2C driver that can be enabled by adding the following line to /boot/config.txt: dtoverlay=i2c-gpio,bus=3. This will create an I2C bus called/dev/i2c-3.
CONNECT YOUR RASPBERRY PI PICO TO A MIDI OUTPUT SOCKET AND DIY electronic music enthusiast Kevin, who you can find on Twitter, has been experimenting with the new Raspberry Pi Pico and taking what he calls “a first look” at its capabilities in the electro-music arena. With a bit of MicroPython and via some wiring-up to a MIDI output socket, he’s managed to get the Pico to play Bach’s Preludein C Major!
REPAIR A BROKEN SD CARD "SUPERBLOCK" ON A RASPBERRYPI Finally, restore the superblock from the backup, again replacing the x’s with your partition name, and block_number with the first backup superblock. sudo e2fsck -b block_number /dev/xxx. Now reboot, and your superblock should be fixed. If it’s not, repeat WORKING WITH AN SSD1306 0.96" OLED DISPLAY ON THE It is a 0.96″, 128×64 pixel OLED display. These things are really tiny, but useful if you’re after something to display status information. They run from the I2C bus, this one using address 0x3C. This means that all the other addresses are available for you toRECANTHA.CO.UK
Welcome to recantha.co.uk. Hello, my name is Michael Horne. I am a web developer with over 20 years of experience developing websites and databases. This page will tell you a lot about me, my work, my hobbies and my family. I live in Potton, Bedfordshire with my wife, Tracey and two step-children. Life hasn’t always been easy, but we hold GUEST POST - BUILDING A CUSTOM RASPBERRY PI PICO-POWEREDSEE MORE ONRECANTHA.CO.UK
PLAYING SOUNDS FROM THE RASPBERRY PI PICO USING And I wondered was the functionality so new that I was using a too-old version of CircuitPython and its libraries? I downloaded the latest stable build of the CircuitPython UF2 from this page which was 6.2.0-beta.4 at the time. I also downloaded the latest version of the Libraries and updated the PIOASM Python file from there onto my Pico. I ran it again and it worked! USING A DS18B20 ONE-WIRE TEMPERATURE SENSOR WITH A I’ve just found this simple tutorial for using a “one-wire” temperature sensor with the Pico. The author has used a breakout module that includes the necessary resistor to stabilise the signal, but has also given instructions for wiring up the sensor if you don’t happen to have the module. GETTING SET-UP WITH THE PIMORONI PICO EXPLORER AND USINGSEE MORE ONRECANTHA.CO.UK
USE THE SCREEN ON THE PIMORONI PICO EXPLORER FROM A little while ago, on Twitter, I bemoaned that CircuitPython didn’t “just work” with the Pimoroni Pico Explorer. On this board, there is a little LCD screen, an ST7789. Theoretically, a CircuitPython library exists for it, but it didn’t quiteRead more → ADVENTURES IN I2C: CLOCK STRETCHING ON THE RASPBERRY PI However, it is possible to use an alternate set of pins for I2C and use software clock stretching. This is documented on GitHub here. Here is the relevant bit: Raspbian has a software I2C driver that can be enabled by adding the following line to /boot/config.txt: dtoverlay=i2c-gpio,bus=3. This will create an I2C bus called/dev/i2c-3.
CONNECT YOUR RASPBERRY PI PICO TO A MIDI OUTPUT SOCKET AND DIY electronic music enthusiast Kevin, who you can find on Twitter, has been experimenting with the new Raspberry Pi Pico and taking what he calls “a first look” at its capabilities in the electro-music arena. With a bit of MicroPython and via some wiring-up to a MIDI output socket, he’s managed to get the Pico to play Bach’s Preludein C Major!
REPAIR A BROKEN SD CARD "SUPERBLOCK" ON A RASPBERRYPI Finally, restore the superblock from the backup, again replacing the x’s with your partition name, and block_number with the first backup superblock. sudo e2fsck -b block_number /dev/xxx. Now reboot, and your superblock should be fixed. If it’s not, repeat WORKING WITH AN SSD1306 0.96" OLED DISPLAY ON THE It is a 0.96″, 128×64 pixel OLED display. These things are really tiny, but useful if you’re after something to display status information. They run from the I2C bus, this one using address 0x3C. This means that all the other addresses are available for you toRECANTHA.CO.UK
Welcome to recantha.co.uk. Hello, my name is Michael Horne. I am a web developer with over 20 years of experience developing websites and databases. This page will tell you a lot about me, my work, my hobbies and my family. I live in Potton, Bedfordshire with my wife, Tracey and two step-children. Life hasn’t always been easy, but we hold MODIFYING AN ADAFRUIT CIRCUITPYTHON LIBRARY TO SUPPORT THE At the moment, I am trying to combine several different products – sensors, displays – into a project for the Raspberry Pi Pico. One of them is the Breakout Garden 11×7 Matrix from Pimoroni.I’ve chosen to use CircuitPython as there are a lot of libraries available from Adafruit. One of those available is the IS31FL3731 library which supports a variety of products (use the link to see RASPBERRY PI + NEW HQ CAMERA = PIDSLR (GUEST POST FROM by David Booth, Hitchin Hackspace. Overview. I’ve been loaned a new Raspberry Pi High Quality (HQ) camera with both the 6mm wide-angle lens and the 16mm telephoto lens by a very generous benefactor. It was so I could create an automated 360-degree turntable lightbox with integrated HQ camera to take consistent, rotatable photos of robots at the next Pi Wars event. CREATE A LOW-RES THERMAL CAMERA WITH A RASPBERRY PI PICO As part of an ongoing Raspberry Pi Pico-based project, I wanted to create a thermal camera. To do this, I first of all went shopping to find what I needed. Here are the two components for this mini project: AdafruitRead more → BUILD YOUR OWN SATNAV WITH A #RASPBERRYPI Build your own SatNav with a #RaspberryPi. I think I missed this when it was first published, so here we are now. Over at the excellent smstextblog, there’s a tutorial on building a SatNav using the Pi and an Adafruit LCD touch screen. Great stuff. Lots of software to install, but it’s a fun project if you’re that way inclined. CREATE A WEATHER FORECASTING STATION USING A FEATHER S2 At the moment, I am waiting for the second version of my PCB for the PicoPicorder.In a departure from my regular making, I decided to buy a Feather S2 from Pimoroni.This is a Feather-format board with built-in WiFI that comes with CircuitPython pre-installed (although I believe you can install MicroPython if you want to – but in the end, I stuck with CircuitPython). I2C 20X4 LCD CHARACTER DISPLAY ON A #RASPBERRYPI I2C 20×4 LCD character display on a #RaspberryPi. Take a look at this more up-to-date post which uses a Python library to do the necessary. I bought this display from Hobby Components: It is very similar to the Sainsmart 2004 LCD display and the pin mappings are the same (it’s a J204A LCD board). I came across this thread on the Foundation PLASMA CNC MACHINE USES A RASPBERRY PI AS ITS BRAINS 0:00. 0:00 / 1:57. Live. •. Will Baden from Nebraska has developed a plasma CNC machine (which is similar to a regular CNC router but uses plasma) to help him to build and make BIG things. The table controller is a GRBL shield attached to an Arduino and this is sent gcode commands from a Raspberry Pi 3 which is used as the visual interface. USING THE NOOK SIMPLE TOUCH AS A #RASPBERRYPI SCREEN Using the Nook Simple Touch as a #RaspberryPi screen. by Michael Horne • 11 May 2013 • 1 Comment. Meltwater’s done it again. This time, he’s worked out how to hack the Nook Simple Touch to be a remote display for the Raspberry Pi. Read the guide here. SHUTDOWN YOUR RASPBERRY PI USING A PAPER CLIP When you’re running your Raspberry Pi headless, one of the first things you should concern yourself with is how to shut it down safely. Shutting it down by simply pulling the power out can result in a corrupt SD card or damaged files.RECANTHA.CO.UK
Welcome to recantha.co.uk. Hello, my name is Michael Horne. I am a web developer with over 20 years of experience developing websites and databases. This page will tell you a lot about me, my work, my hobbies and my family. I live in Potton, Bedfordshire with my wife, Tracey and two step-children. Life hasn’t always been easy, but we hold GETTING SET-UP WITH THE PIMORONI PICO EXPLORER AND USINGSEE MORE ONRECANTHA.CO.UK
RASPBERRY PI + NEW HQ CAMERA = PIDSLR (GUEST POST FROMSEE MORE ONRECANTHA.CO.UK
USE THE SCREEN ON THE PIMORONI PICO EXPLORER FROM A little while ago, on Twitter, I bemoaned that CircuitPython didn’t “just work” with the Pimoroni Pico Explorer. On this board, there is a little LCD screen, an ST7789. Theoretically, a CircuitPython library exists for it, but it didn’t quiteRead more → REPAIR A BROKEN SD CARD "SUPERBLOCK" ON A RASPBERRYPI Finally, restore the superblock from the backup, again replacing the x’s with your partition name, and block_number with the first backup superblock. sudo e2fsck -b block_number /dev/xxx. Now reboot, and your superblock should be fixed. If it’s not, repeat USING PUBLIC LIDAR DATA TO GENERATE 3D MAPS IN MINECRAFT In 2015, the Environment Agency released it’s LIDAR data to the general public. LIDAR (Light Detection & Ranging) uses a laser “to scan and map the landscape from above and is widely considered to be the best method for collecting very dense and accurate elevation data across the landscape.” Stefan Janusz from Defra Digital has posted a way of using this data on a Raspberry Pi (not to CONNECT YOUR RASPBERRY PI PICO TO A MIDI OUTPUT SOCKET AND DIY electronic music enthusiast Kevin, who you can find on Twitter, has been experimenting with the new Raspberry Pi Pico and taking what he calls “a first look” at its capabilities in the electro-music arena. With a bit of MicroPython and via some wiring-up to a MIDI output socket, he’s managed to get the Pico to play Bach’s Preludein C Major!
ADVENTURES IN I2C: CLOCK STRETCHING ON THE RASPBERRY PI However, it is possible to use an alternate set of pins for I2C and use software clock stretching. This is documented on GitHub here. Here is the relevant bit: Raspbian has a software I2C driver that can be enabled by adding the following line to /boot/config.txt: dtoverlay=i2c-gpio,bus=3. This will create an I2C bus called/dev/i2c-3.
USING A HMC5883L MAGNETOMETER/COMPASS WITH THE # This blog post describes getting an HMC5883L magnetic compass sensor to work with a Raspberry Pi. The pictures below show the sensor breakout board in question. For Arduino Leonardo If you do not have an Arduino, or just want theRead more → USING THE NOOK SIMPLE TOUCH AS A #RASPBERRYPI SCREEN Using the Nook Simple Touch as a #RaspberryPi screen. by Michael Horne • 11 May 2013 • 1 Comment. Meltwater’s done it again. This time, he’s worked out how to hack the Nook Simple Touch to be a remote display for the Raspberry Pi. Read the guide here.RECANTHA.CO.UK
Welcome to recantha.co.uk. Hello, my name is Michael Horne. I am a web developer with over 20 years of experience developing websites and databases. This page will tell you a lot about me, my work, my hobbies and my family. I live in Potton, Bedfordshire with my wife, Tracey and two step-children. Life hasn’t always been easy, but we hold GETTING SET-UP WITH THE PIMORONI PICO EXPLORER AND USINGSEE MORE ONRECANTHA.CO.UK
RASPBERRY PI + NEW HQ CAMERA = PIDSLR (GUEST POST FROMSEE MORE ONRECANTHA.CO.UK
USE THE SCREEN ON THE PIMORONI PICO EXPLORER FROM A little while ago, on Twitter, I bemoaned that CircuitPython didn’t “just work” with the Pimoroni Pico Explorer. On this board, there is a little LCD screen, an ST7789. Theoretically, a CircuitPython library exists for it, but it didn’t quiteRead more → REPAIR A BROKEN SD CARD "SUPERBLOCK" ON A RASPBERRYPI Finally, restore the superblock from the backup, again replacing the x’s with your partition name, and block_number with the first backup superblock. sudo e2fsck -b block_number /dev/xxx. Now reboot, and your superblock should be fixed. If it’s not, repeat USING PUBLIC LIDAR DATA TO GENERATE 3D MAPS IN MINECRAFT In 2015, the Environment Agency released it’s LIDAR data to the general public. LIDAR (Light Detection & Ranging) uses a laser “to scan and map the landscape from above and is widely considered to be the best method for collecting very dense and accurate elevation data across the landscape.” Stefan Janusz from Defra Digital has posted a way of using this data on a Raspberry Pi (not to CONNECT YOUR RASPBERRY PI PICO TO A MIDI OUTPUT SOCKET AND DIY electronic music enthusiast Kevin, who you can find on Twitter, has been experimenting with the new Raspberry Pi Pico and taking what he calls “a first look” at its capabilities in the electro-music arena. With a bit of MicroPython and via some wiring-up to a MIDI output socket, he’s managed to get the Pico to play Bach’s Preludein C Major!
ADVENTURES IN I2C: CLOCK STRETCHING ON THE RASPBERRY PI However, it is possible to use an alternate set of pins for I2C and use software clock stretching. This is documented on GitHub here. Here is the relevant bit: Raspbian has a software I2C driver that can be enabled by adding the following line to /boot/config.txt: dtoverlay=i2c-gpio,bus=3. This will create an I2C bus called/dev/i2c-3.
USING A HMC5883L MAGNETOMETER/COMPASS WITH THE # This blog post describes getting an HMC5883L magnetic compass sensor to work with a Raspberry Pi. The pictures below show the sensor breakout board in question. For Arduino Leonardo If you do not have an Arduino, or just want theRead more → USING THE NOOK SIMPLE TOUCH AS A #RASPBERRYPI SCREEN Using the Nook Simple Touch as a #RaspberryPi screen. by Michael Horne • 11 May 2013 • 1 Comment. Meltwater’s done it again. This time, he’s worked out how to hack the Nook Simple Touch to be a remote display for the Raspberry Pi. Read the guide here. GUEST POST - BUILDING A CUSTOM RASPBERRY PI PICO-POWERED David Booth is here with another guest post. This time a custom temperature sensor using a Raspberry Pi Pico and a self-designed PCB. Overview A custom, low power temperature sensor powered by a Raspberry Pi Pico with an LCD displayRead more → INTRODUCING THE LUMICUBE London-based start-up AbstractFoundry have launched their first Kickstarter for the Lumicube.It is a 10cm cube with 192 LEDs over three sides and ports etc on the back: You add your own Raspberry Pi to the cube and then use Python to control it. FADING LEDS USING PWM WITH GPIO ZERO ON THE RASPBERRY PI The project. GPIO Zero, the new GPIO library from the Raspberry Pi Foundation, is becoming my go-to method for doing simple things with the Pi’s GPIO pins.Over the past couple of weeks, I’ve been having fun preparing for the Bett exhibition, and more specifically the Raspberry Jam that is being held there on the 23rd January. PLASMA CNC MACHINE USES A RASPBERRY PI AS ITS BRAINS 0:00. 0:00 / 1:57. Live. •. Will Baden from Nebraska has developed a plasma CNC machine (which is similar to a regular CNC router but uses plasma) to help him to build and make BIG things. The table controller is a GRBL shield attached to an Arduino and this is sent gcode commands from a Raspberry Pi 3 which is used as the visual interface. I2C 20X4 LCD CHARACTER DISPLAY ON A #RASPBERRYPI I2C 20×4 LCD character display on a #RaspberryPi. Take a look at this more up-to-date post which uses a Python library to do the necessary. I bought this display from Hobby Components: It is very similar to the Sainsmart 2004 LCD display and the pin mappings are the same (it’s a J204A LCD board). I came across this thread on the Foundation WORKING WITH AN SSD1306 0.96" OLED DISPLAY ON THE It is a 0.96″, 128×64 pixel OLED display. These things are really tiny, but useful if you’re after something to display status information. They run from the I2C bus, this one using address 0x3C. This means that all the other addresses are available for you to CAMERA FLASH CAUSES RESET OF THE RASPBERRY PI 2 This is perhaps the ultimate in non-issues, but it’s worth being aware of all the same. Peter Onion has found a slight flaw in the Raspberry Pi 2. One of the chips onboard (not the main processor, oneof theRead more →
WRITE A 'PONG' GAME USING PYTHON ON THE #RASPBERRYPI Write a ‘pong’ game using Python on the #RaspberryPi. Trevor Appleton has done a great work-through and tutorial on creating the game of Pong using pygame and Python. He literally goes through it line-by-line explaining things. As he points out, Pong may seem a simple game but it has so many aspects to it such as control, movementPI WARS
Pi Wars is a non-destructive Raspberry Pi robotics competition with both autonomous and remote-controlled challenges. It takes place over one weekend in Cambridge, UK and features teams of school students, family members and hobbyists as well as solo roboteers. GUI FOR CONTROLLING NEOPIXELS ON THE RASPBERRY PI Stewart Watkiss, over at PenguinTutor.com has written some code in Python using the Tkinter library that produces a GUI for controlling NeoPixels with the MyPiFi NeoPixel controller board. The GUI has nice big buttons (so it’s good for touchscreen set-ups) and has plenty ofSkip to content
RECANTHA.CO.UK
Michael Horne
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* Raspberry PiPod
* Pi Wars
* Sharnbook Mill Theatre* Contact me
WELCOME TO RECANTHA.CO.UK This is the homepage of MICHAEL HORNE. I am a web developer with over 20+ years of experience. You can contact me using this form.
DEVELOPMENT WORK
I currently program/code with a mixture of technologies including ColdFusion/CFML, jQuery, SQL and Bootstrap 4. I work for The Case Centre which is an educational charity based at Cranfield University in Bedfordshire, UK. We sell business/management case studies to business schools, mostly for their MBA programmes. We advocate The Case Methodwhich is a way of
teaching concepts and strategies in the field of business using casestudies.
_I thoroughly enjoy my work (“dream job” level) as it gives me the opportunity to develop new functionality around our extensive content library and feel like I’m making a difference to the accumulation of knowledge and skills around the world._HOBBIES
RASPBERRY PI
I am involved in the Raspberry Pi community and co-organise Pi Wars , a Raspberry Pi robotics challenge competition that was created by myself and my friend Tim Richardson as an offshoot from the Cambridge Raspberry Jam . I also helped to create the CamJam EduKit electronic project kitswith Tim.
You might be looking for my Raspberry Pi blog, Raspberry PiPod.
THEATRE
I am also involved in amateur theatre, predominantly with Sharnbrook Mill Theatre where I perform in and direct plays and musicals. I also head up the Marketing Committee for the Mill and currently produce their production poster designs. I am a keen theatre-goer and try to get to see how the professionals do it asoften as possible!
I have previously attended the ROSS Summer School and have been a member of several different amdram societies including Little Hadham Pantomime Group (where it all began!), Bishop’s Stortford Musical Theatre Company , The Dunmow Players and ShowCo Bedford (now defunct).FAMILY
I live in Potton, Bedfordshire with my wife, Tracey and two step-children. Life hasn’t always been easy, but we hold together in God’s strength. The video below is In Memoriam to Daniel and Stephen Bocking, Tracey’s other two children who were sadly taken from us, along with their father David, in 2008.SOCIAL MEDIA
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This is me!
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