Subsurface capacitive touch sensor – replacement for EDISEN buttons.
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Compact capacitive button installed behind a non-conductive surface such as plastic, wood, glass, or ceramic, 5–10 mm thick. Bringing a finger near it sends an impulse to the controller. Specifications: 12 V DC; open collector max. 100 mA / 45 V; 5 cm cable; automatic calibration; max. activation 8–10 s; sensing distance 5–10 mm.