- 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.