Touch Sensitive
Made a quick little electronics prototype yesterday, sounds an alarm when you touch your face. The idea being to train you to do it less often, hence reducing the transfer of infectious microbes from your hands to your mouth/nose/eyes. Demo vid, schematic & description: https://github.com/danja/touch-sensitive/ Inspired by Dr Daniel Reardon (Astrophysicist gets magnets stuck up nose while inventing coronavirus device).