KY-003 Hall Effect Magnetic Sensor Module, Digital Output
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 UGE | Arduino KY-003 Hall magnetic sensor module | 28.5 EGP | View in store |
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Lowest price recorded: 28.5 EGP
About this product
A Hall effect magnetic switch module with a digital output. The signal line is HIGH when no magnetic field is present and goes LOW when a magnetic field of the correct polarity is detected, with an on-board LED that lights up. It connects to an Arduino or similar board for magnet detection projects.
Specifications
- Sensor type
- Hall effect magnetic switch
- Supply voltage
- 5 V
- Signal idle level
- HIGH (3.5 V)
- Signal when magnet detected
- LOW
- Indicator
- On-board LED
- Pins
- GND, +5 V, S (signal)
Frequently asked questions
What is the price of KY-003 Hall Effect Magnetic Sensor Module, Digital Output in Egypt?
KY-003 Hall Effect Magnetic Sensor Module, Digital Output currently costs 28.5 EGP in Egypt.
Where can I buy KY-003 Hall Effect Magnetic Sensor Module, Digital Output in Egypt?
KY-003 Hall Effect Magnetic Sensor Module, Digital Output is available from UGE. Compare the offers above to find the best price.
How do I wire the KY-003 to an Arduino?
Connect the minus pin to GND, the middle pin to +5V, and the S pin to a digital input pin of your choice, then read it with digitalRead().
Why does the sensor not switch when I bring a magnet close?
Switching depends on magnet polarity. According to the listing, the front face of the sensor needs the opposite polarity to the back face to switch on. Try flipping the magnet.
