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

Anonymous

Mar 08, 2026

Rating: 4/5

Good value sensor

Does the job well. Wish it had an analog output pin too.

Anonymous

Feb 28, 2026

Rating: 5/5

Perfect for my Arduino project

Works exactly as described. The sensitivity adjustment is very responsive.

Anonymous

Feb 21, 2026

Rating: 5/5

Great for vibration detection

Used this for a security alarm prototype. Very reliable detection.

Anonymous

Feb 16, 2026

Rating: 5/5

Easy to integrate

Plug and play with my microcontroller. Documentation was clear.

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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