Best place to waste your time …
While I was still trying to figure out what to do these 10 keypads, I received an LCD Display I ordered on eBay. It’s friday, I have no better idea than plug them both on an Arduino and code something. I started from the circuit of the Keypad article and moved the wires connected...
I just received a package of 10 flexible keypads I bought on eBay for 15.88$, shipping included. Having a keypad in your project opens so many possibilities, at 1.59$ each I think it’s a deal! I found a keypad library for Arduino on the Arduino Playground. I made some minor modifications to the sample...