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

[Rockwell] sent us an update on his traffic light hacking. Dedicated readers will remember seeing this legally attained traffic signal controlled through a parallel port from back in 2005. The new … ...

The traffic light server monitoring system uses an Arduino microcontroller to interface with the Xymon server monitoring software. Xymon is an open-source tool that provides real-time monitoring ...