The KY-021 module consists of a breakout board with a reed switch. The switch remains on until it comes into contact with a magnetic field. The module offers a reliable switching function for various applications.
Overview:
- Operating voltage: 3.3-5 V
- Resistance: 10 kΩ
- Pins: VCC, ground, signal
- Output: digital
- PCB dimensions: approx. 18 x 14.5 mm
Possible applications:
- Door and window sensors
- Magnetic detection systems
- Robot technology
- Security and alarm systems
- DIY smart home applications
Scope of delivery
- 1x KY-021 - Magnetic reed module, reed switch
Further links to "KY-021 - Magnetic reed module, reed switch"
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