Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Brand | Youxin Electronics |
| Model Number | 3144 Hall Sensor |
| Sensor Type | Hall Effect Switch |
| Operating Voltage | 4.5V - 24V DC |
| Output Type | Digital Open Collector |
| Operating Temperature | -40°C to +85°C |
| Application | Motor Speed Detection, Smart Cars |
| Pin Configuration | 3-Pin (VCC, GND, OUT) |
| Package Type | TO-92 / Module Board |
| Material | Semiconductor & PCB |
Anonymous
Mar 30, 2026
Rating: 4/5
Great for learning projects
Used this for a university robotics assignment. It made measuring motor speed very simple. The only minor issue is that the included wires were a bit short for my setup.
Anonymous
Mar 28, 2026
Rating: 4/5
Good value, easy to integrate
Very straightforward to connect with an Arduino. The signal is clean, though I had to adjust the magnet distance slightly for optimal triggering. Great price for a genuine 3144 chip.
Anonymous
Mar 27, 2026
Rating: 5/5
Reliable speed sensing
I've tested several hall sensors, and this Youxin module is among the most reliable. It handles high RPMs without missing pulses. Highly recommended for motor control applications.
Anonymous
Mar 18, 2026
Rating: 5/5
Sturdy and responsive
We bought a batch of these for our workshop. They are robust and respond instantly to magnetic fields. No failures so far after weeks of continuous testing.
Anonymous
Mar 07, 2026
Rating: 5/5
Exactly as described
The product matches the description perfectly. It's a genuine sensor, not a cheap clone. Shipping was fast, and the packaging protected the delicate pins well.
Anonymous
Mar 02, 2026
Rating: 5/5
Perfect for my RC car project
This sensor module worked flawlessly right out of the box. I used it to measure wheel rotation speed on my custom smart car build, and the readings are consistent and accurate.
Q: Can this sensor work with a 3.3V microcontroller like ESP32?
A: Yes, the module operates within a wide voltage range (4.5V-24V), but since the output is open collector, you can easily interface it with 3.3V logic by using a pull-up resistor to 3.3V.
Q: What is the maximum switching frequency of this sensor?
A: The 3144 Hall switch typically supports switching frequencies up to 20kHz, which is sufficient for most motor speed measurement applications.
Q: Is the output active high or active low?
A: The output is active low. When a magnetic south pole is detected near the sensing face, the output transistor turns on, pulling the line to ground.
Q: Does this module come with a magnet included?
A: No, this package includes only the sensor module. You will need to provide your own magnet for operation.
Q: Can I use this outdoors in the rain?
A: The sensor chip itself is weather-resistant, but the bare PCB module is not waterproof. We recommend enclosing it in a protective case if used in wet environments.
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