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RASPBERRY PI 4
Did somebody sayMOAR RAM!? Happy New Pi 4 Day Today the latest Raspberry Pi 4 model was released, and it comes with even more RAM. 8GB of DDR4 RAM to be exact. So we get Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz 1GB, 2GB, 4GBTOOLING TUESDAY
DS18B20 TEMPERATURE SENSOR WITH PYTHON (RASPBERRY PI)SEE MORE ONBIGL.ES
TUESDAY TOOLING: COPY & PASTE FROM THE TERMINAL AND PYTHON Pyperclip is what you need. Pyperclip is a cross-platform Python module for copy and paste clipboard functions. It works with Python 2 and 3. Created by Al Sweigart, yes that Al Sweigart who writes the Python books that you love. To install pyperclip, open a terminal / command prompt and type. Ubuntu / Raspberry Pi / Debian. USING PYTHON TO GET WEATHER DATA observation = owm.weather_at_place ("Cambridge,uk") Our next variable is simply called w and we use this variable to shorten the function that will gather the weather data for your location. w = observation.get_weather () Our last variable is called wind and we useit
MICRO:BIT INFRARED TIMING GATE Here is the kit that I used. 2 x Infrared obstacle sensors. 1 x microbit. 1 x External 5V power supply for the sensors. Assorted wires to connect sensors to micro:bit and to external power supply. I used a Proto Pic exhi:bit ( blog post to be written on this great board) to prototype and connect it all up, but for the final version I willbuild
USING HOT WIRES / SNAP CIRCUITS WITH RASPBERRY PISEE MORE ON BIGL.ES TUESDAY TOOLING: SIMULATE KEYBOARD AND MOUSE INPUT WITH PYTHON Control a mouse, create a virtual keyboard and monitor keyboard input with this handy Python module. One of the earliest Tuesday Tooling posts was a keyboard simulator but this post covers a much better implementation, that does not require root access!. So what is it? Pynput is a module which can control a keyboard and mouse, or it can monitor those devices and act accordingly. TUESDAY TOOLING: RECORD / REPLAY KEYSTROKES WITH PYTHONSEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON BIGL.ES EXECUTABLE FILES ON THE RASPBERRY PI An executable file is a file that can be double clicked and it will run automatically. For Windows users you will be familiar with .exe files, but for Linux, what is an executable file? Linux files have permissions that control who can see, edit or delete a file. But oneRASPBERRY PI 4
Did somebody sayMOAR RAM!? Happy New Pi 4 Day Today the latest Raspberry Pi 4 model was released, and it comes with even more RAM. 8GB of DDR4 RAM to be exact. So we get Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz 1GB, 2GB, 4GBTOOLING TUESDAY
DS18B20 TEMPERATURE SENSOR WITH PYTHON (RASPBERRY PI)SEE MORE ONBIGL.ES
TUESDAY TOOLING: COPY & PASTE FROM THE TERMINAL AND PYTHON Pyperclip is what you need. Pyperclip is a cross-platform Python module for copy and paste clipboard functions. It works with Python 2 and 3. Created by Al Sweigart, yes that Al Sweigart who writes the Python books that you love. To install pyperclip, open a terminal / command prompt and type. Ubuntu / Raspberry Pi / Debian. USING PYTHON TO GET WEATHER DATA observation = owm.weather_at_place ("Cambridge,uk") Our next variable is simply called w and we use this variable to shorten the function that will gather the weather data for your location. w = observation.get_weather () Our last variable is called wind and we useit
MICRO:BIT INFRARED TIMING GATE Here is the kit that I used. 2 x Infrared obstacle sensors. 1 x microbit. 1 x External 5V power supply for the sensors. Assorted wires to connect sensors to micro:bit and to external power supply. I used a Proto Pic exhi:bit ( blog post to be written on this great board) to prototype and connect it all up, but for the final version I willbuild
USING HOT WIRES / SNAP CIRCUITS WITH RASPBERRY PISEE MORE ON BIGL.ES TUESDAY TOOLING: COPY & PASTE FROM THE TERMINAL AND PYTHON Pyperclip is what you need. Pyperclip is a cross-platform Python module for copy and paste clipboard functions. It works with Python 2 and 3. Created by Al Sweigart, yes that Al Sweigart who writes the Python books that you love. To install pyperclip, open a terminal / command prompt and type. Ubuntu / Raspberry Pi / Debian. MICROCONTROLLER MONDAY The Wemos W600 Pico is a rather fun piece of kit, especially when we factor in the cost, around $3 for the board! Measuring only 33mm x 20mm this board is just smaller than the venerable Wemos D1 Mini (which has powered a few of my projects!)TOOLING TUESDAY
This command will flash the firmware that we downloaded from the MicroPython website. The last part FIRMWARE.bin is where you need to type the name of the downloaded firmware. Also provide the full path to the file if it is in another directory. The -fm dio part of the command is essential for the Wemos D1 Mini.TOOLING TUESDAY
The "Mirabox USB 3.0 HDMI Game Capture Card 1080P 60FPS Portable HD Video Recorder Device Live Streaming for Mac Windows Linux System Superior Low Latency Technology" (Keyword soup!!)is a video capture device that works with Windows, Mac and Linux. no drivers are needed! It is designed to work with USB3, but it also works with USB2, as I USING A TMP36 SENSOR WITH MICRO:BIT For me the humble L298N is my motor controller of choice, the DS18B20 for temperature sensing, and IR obstacle sensor for simple input. But recently I stumbled upon the TMP36, another temperature sensor, but this is an analogue sensor.Meaning that the output of the sensor is a voltage, rather than a string of data, in the case of the DS18B20. TUESDAYTOOLING: SCRCPY Plug in your phone to the computer using a good quality USB lead. Open a Terminal / Command Prompt and run the command scrcpy. You may be asked to allow your computer to connect to the device, this is normal the first time that we run scrcpy. Right nowTUESDAY TOOLING
First the imports and setting up our response object. from google_images_download import google_images_download response = google_images_download.googleimagesdownload () Then we create a variable called run_again later used to capture if the user wants to use the script again. run_again = "Y". Next up we use a while loop tocheck if the user
FRIDAY FUN: HOW TO TWEAK A £10 HDMI TO USB CAPTURE DEVICE Tweak these settings and see what works for you and the video source you are trying to record. Click on Settings and then Video. Change the Downscale Filter to Lanczos (Sharpened scaling, 36 samples) Common FPS Values set to 30. click Apply and then Ok. Now the video should be sharper and with a higher frame rate. FRIDAY FUN: ADAFRUIT GEMMA M0 AND NEOPIXELS Project 1 R G B Colour Wipes. For the first project lets keep it simple, and tell our Gemma M0 to change all 16 of the Neopixels to either Red, Green or Blue (RGB) and to repeat this pattern so that we see a colour wipe from one colour to the next. Our first FRIDAY FUN: DIRECTLY CONNECTING TO YOUR RASPBERRY PI How can I connect to a Raspberry Pi? SSH - A Secure connection between computers over a local or world wide network. Typically in the form of a command line interface (shell) VNC - An insecure connection between computers over a local or world wide network. Used to "see" the screen of a remote computer by sending the desktop over a network. AUTHOR, MAKER, HACKER, TINKOLOGIST* Home
* About Les
* Projects
* Handy Links
tuesdaytooling
TOOLING TUESDAY: MQTT PDQ Want to send messages across the world to multiple devices? Well MQTTis what you need
Les Pounder
tuesdaytooling
TUESDAY TOOLING: NODE-RED Make IoT applications by linking nodes of code together...Les Pounder
quick hack
QUICK HACK - SENDING MESSAGES USING BASH A quick hack to send messages from one PC to another via BASH!Les Pounder
fridayfun
FRIDAY FUN - CUSTOM OBS CONTROLLER Use OBS and need fast access to change a scene, start a recording or mute a mic? Then Keybow may be just what you need!Les Pounder
microcontroller monday MICROCONTROLLER MONDAY - SIMPLE BUTTON DETECTION A button can do anything that you want, you just need to tell it whatto do!
Les Pounder
tuesdaytooling
TOOLING TUESDAY - NGROK ngrok, is something that you may find useful to expose a development server across the Internet via a secure tunnel. Handy!Les Pounder
fridayfun
FRIDAY FUN - SMS CONTROLLED NEOPIXELS SMS is the most available method of communication, it works across the world on every level of network. So why don't we use it to control some Neopixels connected to a Raspberry Pi? Using Node-RED and Nexmowe can do it!!
Les Pounder
tuesdaytooling
TOOLING TUESDAY - NEXMO API AND PYTHON Want to learn how to send an SMS via Python and node-RED? Well thereis an API for that!
Les Pounder
oggcamp
OGGCAMP 2019
Oggcamp 2019: An awesome event, made possible by an awesome crew.Les Pounder
microcontroller monday MICROCONTROLLER MONDAY - ADAFRUIT FT232H - CIRCUITPYTHON Need a few GPIO pins on your big stonking powerful PC? Then you needthis.
Les Pounder
tuesdaytooling
TOOLING TUESDAY - MIRABOX USB3 HDMI CAPTURE DEVICE An HDMI 1080p 60fps video capture device that works with Linux, Mac and Windows? Surely the thing of fantasy?!Les Pounder
circuitpython
MICROCONTROLLER MONDAY - SERPENTE It looks like an ATTINY85 but no, this is a lot more board for your money. Oh and it runs CircuitPythonLes Pounder
arduino
READING AN NFC TAG WITH A LINKSPRITE NFC SHIELD V1.0 A long time ago, national electronics store Maplin closed down. I got quite a bit of gear, cheap! And I've finally got the NFC reader and stickers to work with Arduino!Les Pounder
microbit
PULSING LED WITH MICRO:BIT Pulse an LED just like the eye of a Terminator...just don't call itSkynet
Les Pounder
tuesdaytooling
TOOLING TUESDAY: CHEAP DESOLDERING PUMP Need something to desolder lots of components? Don't fancy holding a soldering iron AND a desoldering pump? Don't want to spend lots ofmoney? I got ya!
Les Pounder
microcontroller monday MICROCONTROLLER MONDAY - CONTROL AN L298N MOTOR CONTROLLER WITHMICRO:BIT
How would you like to control a motor using a micro:bit? Well here is a quick guide to get you started.Les Pounder
tuesdaytooling
TOOLING TUESDAY: PYTELEGRAMBOT Get started with Telegram and PythonLes Pounder
lifehacks
GCSE RESULTS - CHOOSE YOUR OWN ADVENTURE GCSE results day! But what if you didn't get what you wanted?Les Pounder
tuesdaytooling
TOOLING TUESDAY - MEGA 2560 PRO Need an Arduino Mega, but can't sacrifice the space? Well here is a board that gives us all the pins, but at less than half the size!Les Pounder
microcontroller monday MICROCONTROLLER MONDAY - 4TRONIX BIT:170 Breadboarding with a micro:bit just got a little easierLes Pounder
tuesdaytooling
TOOLING TUESDAY: SEARCH WIKIPEDIA WITH PYTHON! Search Wikipedia from Python! Read a randomly suggested page, or search for anything you want!Les Pounder
tuesdaytooling
TOOLING TUESDAY: WTTR Get the weather direct to your terminal! Who needs a pretty GUI when we have the command line!Les Pounder
fridayfun
FRIDAY FUN: CARDBOARD CIRCUIT Build a working circuit with cardboard, slug tape and some light upparrots!
Les Pounder
fridayfun
FRIDAY FUN: SUMMER HACKS! 17 Free projects to keep the kids busy all summer long!Les Pounder
anvil
FRIDAY FUN: MONITOR YOUR PI WITH ANVIL Hey, you! Fancy writing a web app in Python? An app that shows live data from a running Raspberry Pi? Ok..read on!Les Pounder
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