Posted in Arduino Hacks, classic hacks Tagged piezo speaker, spectrum analyzer, tones, traffic light ← Workbench Fume Extractor Sucks, But Has A Charming Personality ...

Nothing comes close to the awesomeness of this traffic light server monitoring system which has been created using a little Arduino wizardry ...

Instead of building the board into the project he’s included just the parts he needs; an AVR running the Arduino bootloader, a crystal and filtering caps, and an Arduino serial to USB module for ...