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KY-003 Hall Magnetic Sensor

$1.25
Quantity

The KY-003 Hall Magnetic Sensor module is a switch that reacts to the presence of a magnetic field, turning itself on or off. Compatible with popular microcontrolers like Arduino, Raspberry Pi and ESP32.

This module offers a digital output, it looks similar to the KY-035 analog hall magnetic sensor, and it is functionally similar to the KY-024, a digital/analog magnetic sensor.

KY-003 Specifications

This module consists of a 3144EUA-S Hall-effect switch, a 680Ω resistor, an LED and 3 male header pins.

Operating Voltage 4.5V to 24V
Operating Temperature Range -40°C to 85°C [-40°F to 185°F]
Board Dimensions 18.5mm x 15mm [0.728in x 0.591in]

Connection Diagram

Connect the board power line (middle) and ground (-) to +5 and GND on the Arduino respectively.

Connect signal (S) to pin 3 on the Arduino.

KY-003 Arduino
S Pin 3
middle +5V
GND