This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.

Features:

• Ultra-thin design
• Adhesive backing
• Excellent price/performance ratio
• Easy interface to any microcontroller
• Example programs provided for the BASIC Stamp 2 and Propeller P8X32A microcontrollers

Application Ideas:

• Security systems
• Menu selection
• Data entry for embedded systems

Key Specifications:

• Maximum Rating: 24 VDC, 30 mA
• Interface: 8-pin access to 4x4 matrix
• Operating temperature: 32 to 122 °F (0 to 50°C)
• Dimensions: Keypad, 2.7 x 3.0 in (6.9 x 7.6 cm)

Downloads & Resources:
Membrane Keypad Documentation v1.2 (.pdf)
4x4MatrixKeypad_Demo-20111212.bs2 (.zip)
Propeller Keypad Demo Code [.spin] (.zip)