Keypad 12 button Black with letters
A basic 12 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed.
Check the examples below for correct pin-outs and such.
Documents:
- Datasheet
- PIC HEX Pad Tutorial
- Arduino Instructable
- Arduino Keypad Library
- Alarm System Project
- Bildr Example