Integrating BleuIO with Adafruit Feather RP2040 - Two-Way Communication

Pulling the plug on your Raspberry Pi before it safely shuts down... is a bad idea! This can result in a corrupt microSD card and file system. Normally, we can use the menu bar from the GUI or type a command in the terminal window to safely shutdown the Pi.

This tutorial covers how to get CO2 and other environmental readings from the STC31 using both Arduino and MicroPython when connecting the CO2 Sensor Breakout to a compatible development board over Qwiic.

Easy-to-build VFO (Variable Frequency Oscillator) that features a clear, touch-enabled circular display with retro-style virtual scales.

Rotate the path of least resistance.

Learn how to create an ESP32-powered Smart traffic management system using IoT that uses IR sensors for real-time vehicle detection, enables adaptive signal control, and provides a live web dashboard for monitoring traffic flow.

Build a dual axis solar tracker system using Arduino, LDR sensors & servo motors. Increase solar panel efficiency by 30-40%. Complete circuit diagram & code included.

Complete interactive game between human and robot — the classic Rock-Paper-Scissors — using the MyCobot 280 M5 robotic arm from Elephant Robotics.

Learn how to install Windows 11 on Raspberry Pi 4 and Pi 5. Step-by-step tutorial with WoR setup, UEFI configuration, and performance tips for 2025.

Use a Pico W or Pico 2W to bridge a wireless keyboard to a USB host.

Build a “Big Brother eye” that awakens in darkness using LDR sensing and Arduino code driving a GC9A01 LCD.

In this Visuino project, you will learn how to use the ESP32-C3 LCD Kit to create a colorful Countdown Timer using a rotary encoder, an LCD display, and an RGB LED.