- 4X3 Matrix Keypad – Membrane type is a 12-button keypad provides a useful human interface component for micro-controller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.
- This DC 12V 4×3 Matrix 12 keys Membrane Switch Keypad is high–quality soft touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions.






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