Arduino-generated music signals outputted through one of its digital pins drive the piezo-speaker through a simple driver circuit. Note that you can change the melody easily by uploading a new sketch.

You can download [William]’s COSMOS config files and Arduino sketch on Google Docs. We’ve published a bunch of pieces on telemetry, like this ESP8266 telemetry project, a rocket telemetry rig ...

Rob Cai has used and Arduino Uno development Board together with an old VGA display to create an awesome digital representation of the iconic Etch-a-Sketch mechanical drawing toy invented by ...

Da Vinci, the Arduino-Powered Etch-a-Sketch Patrick McCabe’s latest creation is a delightfully ironic combination of high-tech and low-tech that is sure to please.