Yes, you can build a 100% working keyboard using cardboard! 🎹🛠️ This DIY tutorial shows you how to create a fully functional USB or Bluetooth keyboard using cardboard, conductive foil, Arduino (or ...
Back in the 70’s when computers were fairly expensive and out of reach for most people, [David Hagelbarger] of Bell Laboratories designed CARDIAC: CARDboard Illustrative Aid to Computation. CARDIAC ...