Normally Open Reed Sensor Module Magnetic Switch for Arduino 3.3 V-5 V



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KY-025 Reed Switch Module for Arduino is a small electrical switch operated by an applied magnetic field, commonly used as proximity sensor.
The module has both digital and analog outputs. A trimmer is used to calibrate the sensitivity of the sensor.

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 Voltage 3.3V to 5.5V
Board Dimensions 1.5cm x 3.6cm [0.6in x 1.4in]
The comparator output signal is clean, good waveform, driving ability, more than 15mA.
The working voltage of 3.3V-5V
The output format: digital switching outputs (0 and 1)

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