Dhairya Dand’s ThinkerToy set of “educational fun interactive toys” are designed for children who live and work in landfills full of electronic waste. One toy is the Keyano, which plugs into a PS/2 ...

Building a MIDI device is always a great microcontroller project, and nearly everyone has an old toy keyboard lying around in the back of a closet or in the basement. [JenShen] decided to take one of ...

Just as cats find sitting on a keyboard to be irresistible, so do children find pressing their keys. After throwing some ideas around with other parents, [Peter] came up with the idea of transforming ...