A capacitive membrane switch is a touch sensitive switch that activates when the user makes contact with the sensor. The membrane switch uses capacitive sensing technology to perform the functions of a traditional membrane switch with a simple, light touch.
Capacitive touch membrane switches offer great design flexibility, durability, and a sleek appearance. The technology in this style membrane switches use conductive carbon printed circuitry to create an electrical field. When a human finger touches the key, an increase in the capacitance is recognized by the IC, which activates the output of the key.
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