3 in stock

Keypad Module for Arduino Raspberry Pi

This Matrix Keypad 4 X 3 has 12 buttons, arranged in a telephone-line 3×4 grid. The keys are connected into a matrix, hence only 7 microcontroller pins (3-columns and 4-rows) are required to scan the pad.


3 in stock

Specifications of Matrix Keypad 4 X 3:

  • Flexible
  • Can be attached on any surface
  • Only 7 microcontroller pins are needed to access 12 buttons