With some simple maths, inputs due to displacements in-plane (i.e., left-right or up-down) ... Posted in Arduino Hacks, Peripherals Hacks Tagged arduino, arduino pro micro, macro keyboard, macro pad.

If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects,… ...