M32B- SECONDARY 4X4 MEMBRANE KEYPAD BOARD

Overview 

This board provides an expansion capabilities to the M31 board. Up to 3 4x4 matrix keypad expansion board for a total of 8x8. So it will use up to 16 pins of the PoKeys, but will deliver up to 64 inputs.

Supports up to 3 (4 x 4) secondary keypads.