Reed Switch Sensor 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. Specifications and Features: Working voltage 3.3V-5 Output format: digital switching output (0 and 1) A fixed bolt holes for easy installation PCB size: 3.2cm x 1.4cm Digital output using a wide voltage LM393 comparator Package Includes: 1 x Reed Switch Sensor Module for Arduino
