Numeric Keypad IIe
This is a conversion project for the Numeric Keypad IIe, model A2M2003. This was an external keypad that connected to the Apple //e's motherboard (and as such, it lacked any kind of onboard controller).
Keyboard Maintainer: Adam Newbold
Hardware Supported: Internal Numeric Keypad IIe PCB (Apple part 820.0081.c), ATmega32U4 microcontroller
Make example for this keyboard (after setting up your build environment):