Magnetic Reed Switch Sensor Board Ky0025
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The KY-025 Reed Switch Module is a compact magnetic field sensor that provides both digital and analog outputs, making it ideal for proximity sensing applications. It features an onboard LM393 comparator and a trimmer potentiometer for sensitivity adjustment, and is compatible with Arduino, ESP32, and Raspberry Pi microcontrollers.
add_circle The Upside
- check Easy to interface with common microcontrollers
- check Adjustable sensitivity for different magnetic strengths
- check Compact size for embedding in projects
remove_circle The Downside
- close Limited to magnetic field detection only
- close No built-in pull-up resistor on digital output
- close Potentiometer may require fine-tuning
Specifications & features
Key features
- check_circle Normally open reed switch (2x14mm)
- check_circle LM393 dual differential comparator
- check_circle Adjustable sensitivity via trimmer potentiometer
- check_circle Both digital and analog outputs
- check_circle Operating voltage: 3.3V to 5.5V
Specifications
Board Dimensions
1.5cm x 3.6cm (0.6in x 1.4in)
Comparator
LM393
Operating Voltage
3.3V ~ 5.5V
Output Type
Digital and Analog
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