# Hall magnetic sensor KY-003 digital

> Hall magnetic sensor KY-003, digital, used to detect the presence of a magnetic field in projects with Arduino and other development boards. Powered at 5V, digital I/O output, fast response to a magnet, easy to integrate on a breadboard or in compact setups.

- Page: https://sigmanortec.ro/en/hall-magnetic-sensor-ky-003-digital
- Price: 3.03 RON
- Availability: In stock; 1-2 zile
- Reference: 33349 · EAN: 5949697267455
- Category: Mechatronics and IoT > Sensors and Modules > Magnetic and Hall Sensors
- Package (shipping data): 0.001 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:21 (Europe/Bucharest)

## Description

Ideal for detecting the presence of a magnetic field in Arduino and other development board projects, this KY-003 Hall sensor provides a stable digital signal for simple controls and automation. It operates on 5V power supply, has digital I/O output, fast response to magnet and is easily integrated on breadboards or in compact assemblies.
Hall type magnetic sensor, KY-003, digital, compatible with Arduino and other development boards.
Supply voltage: 5V
Output: I/O, digital