Overview.
This board provides an interface between a PoKeys55 and 4x4 matrix Keypad. It allows for a connecting up to 3 additional 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.

Features :
• 4 x 4 primary keypad T

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

• 8 I/O Terminals.

• Screw-On connections for I/O terminals.  

• Keypad layout design by Scott Shafer from: SS Systems LLC.  

• Artwork by Jason Blake from: Alpha Graphic Designs.