Controlling microcontrollers over USB with the Web Serial API
Upgrade your computer with LEDs, buttons, or sensors to control a microcontroller board over USB from your web browser.
Microcontroller
Making a Retro-Style Alarm Clock
A few electronic components, some code, and a hand-made wooden case make a fine retro-style bedside clock.
Arduino Development on the Command Line
When programming an Arduino microcontroller board for the first time, most people use the Arduino IDE, a graphical development environment. However, if you prefer the command line, you have a powerful alternative: Arduino CLI.
Making a Tiny GPS Position Recorder
Design and construct a battery-powered GPS receiver and recorder in a compact package, with firmware and a Linux-based GUI application for visualizing the data recorded.