This repository provides a diagnostic sketch to help identify serial communication failures, bootloader instability, or USB-related execution issues in Arduino Uno clones that use the CH340G or CH340C ...

The Arduino Uno CH340 Diagnostic Tool is a simple yet effective sketch designed to help you diagnose boot, reset, and serial communication issues on CH340G-based Arduino Uno boards. This tool is ...

Creating music for the Arduino is simple – just use the tone() library – but it truthfully doesn’t sound that great. That’s because this library is monophonic, making chords difficult or at the very ...