Reed Switch Module for Arduino is a small electrical switch operated by an applied magnetic field, commonly used as proximity sensor.
Reed Switch Module has both digital and analog outputs. A trimmer is used to calibrate the sensitivity of the sensor.
Reed Switch Module contains a pair (or more) of magnetizable, flexible, metal reeds whose end portions are separated by a small gap when the switch is open. The reeds are hermetically sealed in opposite ends of a tubular glass envelope.
Features of Reed Switch Module:
The KY-025 module consist of a 2x14mm normally open reed switch, a LM393 dual differential comparator, a 3296W-104 trimmer pontetiometer, six resistors and two LEDs. The board has an analog and a digital output.
Operating Voltage3.3V to 5.5VBoard Dimensions1.5cm x 3.6cm [0.6in x 1.4in]
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