You could use the binary pattern approach I suggested above, but with micro switches and holes drilled into the slide or ridges added?
Ah yes, it appears I didn't read it properly
@MrTimcakes started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
You could use the binary pattern approach I suggested above, but with micro switches and holes drilled into the slide or ridges added?