A
Anonymous
Apr 11, 2026
Rating: 5/5
Works perfectly
Used this for fan speed monitoring. Very stable readings and easy to interface.
Description
Sensor Module Hall Sensor Speed Measurement Specializing in Components for 22 Years
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Digital Switching (TTL) |
| Chip Model | A3144 / US5881 Compatible |
| Working Current | 10mA - 20mA |
| Operating Temperature | -40°C to +85°C |
| PCB Length | 32mm |
| PCB Width | 14mm |
| Mounting Hole | 3mm Diameter |
| Weight | 3.5 grams |
| Compatibility | Arduino, STM32, ESP8266, ESP32 |
5 reviews
A
Anonymous
Mar 07, 2026
Rating: 3/5
Needs resistor
Had to add an external pull-up resistor for my specific setup to work correctly.
A
Anonymous
Feb 16, 2026
Rating: 5/5
Easy to use
Plug and play with my Arduino Uno. No issues so far.
A
Anonymous
Feb 16, 2026
Rating: 5/5
Fast response
Great for RPM counting projects. Detects magnets instantly.
A
Anonymous
Jan 22, 2026
Rating: 4/5
Good value
Sensor works well but the pins are a bit thin for breadboards.
5 FAQ
Q: Does the package include magnets?
A: No, this module is sold separately from magnets.
Q: How do I wire this module?
A: Connect VCC to power, GND to ground, and OUT to your digital pin.
Q: Can I use this with Arduino?
A: Yes, it is fully compatible with Arduino boards.
Q: Is this compatible with 3.3V logic?
A: Yes, it operates between 3.3V and 5V DC.
Q: What is the maximum sensing distance?
A: Typically 1-10mm depending on magnet strength.
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