A
Anonymous
Mar 08, 2026
Rating: 4/5
Good value sensor
Does the job well. Wish it had an analog output pin too.
Description
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | 801S |
| Comparator Chip | LM393 |
| Operating Voltage | 3.3V to 5V DC |
| Output Type | Digital Switch Output (DO) |
| Sensitivity | Adjustable via Potentiometer |
| PCB Size | 32mm x 14mm x 5mm |
| Mounting Holes | 4 x 3mm Diameter |
| LED Indicators | Power and Signal Output |
| Pin Interface | 3-Pin Header (VCC, GND, OUT) |
| Compatible Platforms | Arduino, Raspberry Pi, STM32 |
5 reviews
A
Anonymous
Feb 28, 2026
Rating: 5/5
Perfect for my Arduino project
Works exactly as described. The sensitivity adjustment is very responsive.
A
Anonymous
Feb 21, 2026
Rating: 5/5
Great for vibration detection
Used this for a security alarm prototype. Very reliable detection.
A
Anonymous
Feb 16, 2026
Rating: 5/5
Easy to integrate
Plug and play with my microcontroller. Documentation was clear.
A
Anonymous
Feb 09, 2026
Rating: 4/5
Solid component
Good quality soldering and components. Shipping was fast.
5 FAQ
Q: Does it work with Raspberry Pi GPIO?
A: Yes, it is compatible with Raspberry Pi GPIO pins using 3.3V logic.
Q: Are headers pre-soldered?
A: Yes, the 3-pin header comes pre-soldered for immediate use.
Q: Can this run on 3.3V logic?
A: Yes, the module operates comfortably between 3.3V and 5V DC.
Q: How do I adjust the sensitivity?
A: Use the blue potentiometer on the board. Turn clockwise to increase sensitivity.
Q: Is there an analog output available?
A: This specific 801S model provides a digital output only. Please check AO models for analog.
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