Description
Specifications
This module consists of a small reed switch actuated by a magnetic field, a 10kΩ resistor, and 3 male header pins.
| Operating Voltage | 3.3V ~ 5V |
| Output Type | Digital |
| Board Size | 18.5mm x 15mm [0.728in x 0.591in] |
KY-021 Magnetic Reed Switch Module
₪19.00
The KY-021 Magnetic Reed Switch module is a switch that is normally open and gets closed when exposed to a magnetic field, sending a digital signal. Commonly used in mechanical systems as proximity sensors.
Compatible with Arduino, Raspberry Pi, ESP32 and other microcontrollers. For analog output see the KY-025 reed switch.
Only 2 left in stock (can be backordered)
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