1x4 Key Matrix Membrane Keypad

Features:

• 1 * 4 Matrix Membrane Switch Circuit Breaker with FPC Circuit
• Single Chip Microcomputer Extended Keyboard
• Accurate and Professional Made, Stable Performance
• Pad Size: 68 * 20mm
• Total Length: 107mm

DC 12V 1×4 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs.

This 4-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.

The Keypad 1×4 features a total of 4 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 5-pin berg connector is required for interfacing it with your microcontroller circuits.

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Tutorial