A capacitive sensor can detect the presence or absence of nearly any object, no matter materials. Primarily, the sensor and the thing act like a capacitor, storing charge, which demand is exactly what the sensor works by using to denote the item. An extra 8 person outlined fields assist you https://car-upholstery-repair-sho26936.blogripley.com/27822657/the-smart-trick-of-types-of-metal-detector-sensor-that-nobody-is-discussing