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 theKY-035analog hall magnetic sensor, and it is functionally similar to theKY-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
KY-003 Hall Magnetic Sensor
Default Title
Robot Pi Shop
Pickup available,usually ready in 1 hour
Ground Floor Shop, Sayde Street, Fanar Matn 1202 Fanar Lebanon
