Type text with beautiful buttons! The DIY QWERTY Keyboard gives you 32 buttons while needing only 3 pins from your Arduino or other micro controller. This keyboard comes as an easy to assemble do-it-yourself kit or pre-assembled, just select your preference below. Our tutorial gives you sample code and step-by-step instructions to make building your keyboard and getting it working a snap. You can hook this keyboard up to an Arduino Leonardo to have a fully-functioning USB Keyboard .