[Mitxela] wanted to build a different kind of mouse, one that worked like an Etch-a-Sketch toy with one X knob and one Y knob. Armed with some rotary encoders and a microcontroller, that shouldn ...
We’re not sure whether to call this an Etch-a-Sketch upgrade or a computer interface ... [Martin] separated the encoder wheels from a mouse. He placed each on one of the knobs and ran wires ...