This 4x4 keypad membrane switch matrix array is the perfect addition to your Arduino or RaspberryPi project. With 16 keys, it offers a wide range of possibilities for controlling your electrical equipment and supplies. Its easy-to-use design makes it ideal for business and industrial applications as well. The keypad is made from high-quality materials and is built to last. It is also easy to install and can be quickly integrated into your existing setup. Whether you're a hobbyist or a professional, this keypad is sure to meet your needs.

4*4 Matrix Array/Matrix Keyboard 16 Key Membrane Switch Keypad for arduino 4X4 Matrix Keyboard Contact resistance of 500 () Insulation resistance 100M () Key Operating Force 150-200N Rebound time 1 (ms) Life of 100 million (times) Operating Temperature 60 () 1, the electronic characteristics Circuit Rating: 35V (DC), 100mA, 1W Contact resistance: 10 ~ 500 (Varies according to the lead lengths and different from those of the material used) Insulation resistance: 100M 100V
Dielectric Strength: 250VRms (50 ~ 60Hz 1min) Electric shock jitter: <5ms Life span: tactile type: one million times 2, the mechanical properties Operating pressure: Touch feeling: 170 ~ 397g (6 ~ 14oz) Switch travel: touch-type: 0.6 ~ 1.5mm 3, the environment parameters Operating temperature: -40 to +80 Storage temperature: -40 to +80 Temperature: from 40,90% to 95%, 240 hours Vibration: 20G, max. (10 ~~ 200Hz, the Mil-SLD-202 M204.Condition B)