Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even ...

Continue reading “Arduino Traffic Light Sings The Song Of Its People”→ Posted in Arduino Hacks, classic hacks Tagged piezo speaker, spectrum analyzer, tones, traffic light ...

Theremin – Simple Build 1 Now you can build a simple Light/Optical Theremin next to nothing. Thanks to the support of the Arduino microcontroller – very few external parts are needed! First, note that ...