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Pin Number : 6 Pins
Freshwater tanks
Alarm/ Security Systems
EMI shielding/screening
Ky 021 Mini Magnetic Reed Sensor Module 3-pin For Arduino Smart Car touchable display Pin Number : 6 PinsA reed switch is a magnetic sensor that is normally open and gets closed when exposed to a magnetic field. The KY 021 Mini Magnetic Reed Switch Module consists of a 10k 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, and ESP8266. Operating Voltage: 3. 3V to 5v Output Type: Digital Package Include: 1 x KY 021
US$ 184.00
US$ 74.95
US$ 174.00
