4 x 4 Matrix Keypad Membrane Switch Keypad
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4 x 4 Matrix Keypad Membrane Switch Keypad





A basic 16 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to ‘scan’ the 8 output pins to see which of the 16 buttons is being pressed.


  • Ultra-thin design
  • Adhesive backing
  • Excellent price/performance ratio
  • Easy interface to any microcontroller


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


Key Operating Force 150-200N
Rebound time 1 (ms)
Life of 100 million (times)
Circuit Rating: 35V (DC), 100mA, 1W
Contact resistance: 10Ω ~ 500Ω (Varies according to the lead lengths and material used)
Insulation resistance 100MΩ
Dielectric Strength: 250VRms (50 ~ 60Hz 1min)
Electric shock jitter: <5ms
Life span: one million times
Operating pressure: Touch feeling: 170 ~ 397g (6 ~ 14oz)
Operating temperature: -40 to 80
Storage temperature: -40 to 80
Vibration: 20G, max. (10 ~~ 200Hz, the Mil-SLD-202 M204.Condition B)

Note: You need Jumper wires/ Headers to interface with Arduino and Raspberry Pi