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Python Virtual Environment Usage on Raspberry Pi
By Carter Nelson
How set up Python Virtual Environments as required by Raspberry Pi OS
PiPyPirate Radio
By Carter Nelson
Make a low-power FM transmission radio station with a Raspberry Pi or other single-board-linux computer
Dude, Where's My COM Port?
By Carter Nelson
Dealing with lost COM ports on native USB dev boards.
Raspberry Pi I2C Clock Stretching Fixes
By Carter Nelson
Various approaches for dealing with I2C clock stretching on a Raspberry Pi.
CircuitPython on ESP32 Quick Start
By Carter Nelson
Install and Code CircuitPython on ESP32 boards, then connect to CircuitPython from a web browser to use the REPL and file system.
Super Simple Sunrise Lamp
By Carter Nelson
Know when wake up time is by sunrise lamp color.
Working with Multiple Same Address I2C Devices
By Carter Nelson
A more indepth look at dealing with I2C address conflicts.
Working with I2C Devices
By Carter Nelson
A cornucopia of I2C related information.
Sketch Drawing Toy with CircuitPython
By Ruiz Brothers
Build your own sketch drawing toy with DIY electronics and 3D printed parts!
Neo Trinkey Auto Screen Locker
By Carter Nelson
Auto lock your screen if your lappy gets snagged.
DIY Trinkey No-Soldering USB Air Quality Monitor
By Carter Nelson
Want to measure various air quality parameters, like humidity, temperature, CO2, etc.? Want to measure these directly into your computer? Want to do all this without soldering? No problem. In this guide we'll show how this can done using the Adafruit Trinkey QT2040.
BLE Sniffer with nRF52840
By Thach Ha
The Bluefruit LE Sniffer allows you to capture traffic between two Bluetooth Low Energy devices in a passive manner (meaning it isn't involved directly in the connection itself). This mini guide will show you how to do that with an Adafruit nRF52840 board.
Trinkey True Random Number Generator
By Carter Nelson
Random numbers have a lot of uses in computer programming. These can be for fun things like picking a random song, drawing to a random location, etc. On the more serious side, they are useful in the realm of cryptography.
Accessing and Using Adafruit PCB Design Files
By Carter Nelson
Learn how to download and use Adafruit PCB design files with Eagle CAD.
How to Scan and Detect I2C Addresses
By Carter Nelson
I2C is a common circuit interconnection format. This guide assists in helping a microcontroller/Raspberry Pi to find a connected I2C device.
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Adafruit Playground is a wonderful and safe place to share your interests with Adafruit's vibrant community of makers and doers. Have a cool project you are working on? Have a bit of code that you think others will find useful? Want to show off your electronics workbench? You have come to the right place.

The goal of Adafruit Playground is to make it as simple as possible to share your work. On the Adafruit Playground users can create Notes. A note is a single-page space where you can document your project using Adafruit's easy-to-use editor. Notes are like Guides on the Adafruit Learning System but are simpler and more concise. Guides are high-fidelity content curated and maintained by Adafuit. Notes are whatever you want them to be. Share a single picture of a project, or journal a complex project as you work on it. Have fun and be kind.

Click here to learn more about Adafruit Playground and how to get started.