KY-021 Mini Dry Reed Pipe Sensor Module

A Mini Dry Reed Pipe Module KY-021 is a magnetic sensor that is normally open and gets closed when exposed to a magnetic field. The KY-021 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...

Specifications:

• Operating Voltage: 3.3V to 5v
• Output Type: Digital