Arduino software for 1004 "Customizable Keyboard shield with long stroke keys" & 1005 "Customizable Keyboard shield with clicky keys"
https://www.tindie.com/products/deBug67/customizable-keyboard-shield-with-clicky-keys-/ https://www.tindie.com/products/deBug67/customizable-keyboard-shield-with-long-stroke-keys/