Description
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- Sensor Type: Reed sensor module
- Model Name: KY-021
- Voltage: 3.3V to 5V
- Color: Black
- Size/Dimension: 3.2 x 1.9 x 0.7 cm
Product Description
Arduino magnetic reed switch module Keyes KY-021. A 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 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, Raspberry Pi and ESP8266.
Specification:
- Sensor Type: Reed sensor module
- Model Name: KY-021
- Voltage: 3.3V to 5V
- Color: Black
- Size/Dimension: 3.2 x 1.9 x 0.7 cm
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What's in the box
1 x KY-021 Mini Magnetic Reed Switch Module for Arduino