Capacitive proximity sensors work on the principle of the capacitor. The main components of the sensor are the plate, oscillator, threshold detector and an output circuit.

Axzons technical guide describes the working principles and applications served by its wireless passive RFID sensor product line, powered by its 3rd generation Magnus ® S3 IC.

Guest columnist Helen Francis, product marketing manager at Atmel Touch Technology, says that capacitive touch can be used as a proximity sensor In recent years, capacitive touch technology has ...