Magnetic Reed Switch Sensor Module Module Features: Imported normally open reed switch The comparator output, the signal is clean, the waveform, driving ability, more than 15mA. Operating voltage 3.3V-5V The output in the form: Digital switching outputs (0 and 1) A fixed bolt hole for easy installation Small board PCB size: 3.2cm x 1.4cm Wide voltage LM393 comparator
