A KY-021 Mini Reed Switch Module Generic is a magnetic sensor that is normally open and gets closed when exposed to a magnetic field. The Mini Dry Reed Pipe Module consists of a 10kΩ resistor and a small reed switch actuated by a magnetic field, commonly used in mechanical systems as proximity sensors. Compatible with popular electronic platforms like Arduino, Teensy, etc.
This module is ideally suited to adding a magnetic switch to your project.
Apply to a switchboard, duplicator, washing machine, refrigerator, camera, electronic scale, gas meter, and water meter, etc
Operating Voltage : 3.3V to 5v
Output Type : Digital
Dimensions : 15 X 13 X 5 mm
Weight : 6 gm
1 X Mini Dry Reed Pipe Module Generic