Robot Pi Shop

KY-025 Reed Switch Module

$1.33
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Pickup available at Robot Pi Shop

The KY-025 Reed Switch Module is a small electrical switch operated by an applied magnetic field, commonly used as proximity sensor.

The module has both digital and analog outputs. A trimmer is used to calibrate the sensitivity of the sensor.

Compatible with Arduino, Raspberry Pi, ESP32 and other microcontrollers. For digital output only use the KY-021 mini reed switch.

KY-025 SPECIFICATIONS

This module consist of a 2x14mm normally open reed switch, an LM393 dual differential comparator, a 3296W-104 trimmer pontetiometer, 6 resistors, 2 LEDs and 4 male header pins.

Operation Voltage 3.3V ~ 5.5V
Board Dimensions 1.5cm x 3.6cm [0.6in x 1.4in]

CONNECTION DIAGRAM

Connect the board’s analog output (A0) to pin A0 on the Arduino and the digital output (D0) to pin 3.

Connect the power line (+) and ground (G) to 5V and GND respectively.

KY-025 Arduino
A0 Pin A0
G GND
+ +5V
D0 Pin 3
KY-025 Reed Switch Module

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  • Robot Pi Shop

    Pickup available,usually ready in 1 hour

    Ground Floor Shop, Sayde Street, Fanar Matn 1202
    Fanar
    Lebanon

    +96171791287

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