Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | SW-420 / SW-18010P |
| Operating Voltage | 3.3V - 5V DC |
| Output Type | Digital Switching Output (0 and 1) |
| Detection Mode | Normally Open / Normally Closed Configurable |
| Sensitivity Adjustment | Via On-board Potentiometer |
| Comparator Chip | LM393 |
| PCB Dimensions | 32mm x 15mm x 8mm |
| Mounting Hole Diameter | 3.0mm |
| Application Scope | Anti-theft alarms, Vibration detection, DIY Electronics |
| Package Includes | 1x Vibration Sensor Module |
Anonymous
Mar 26, 2026
Rating: 5/5
Reliable for home security prototype
I used this to build a simple window vibration detector. It triggers consistently when glass is tapped. The digital output makes interfacing with microcontrollers extremely simple.
Anonymous
Mar 24, 2026
Rating: 4/5
Good sensitivity, easy to wire
The module is compact and the pinout is clearly labeled. It detected even slight taps on the table after I adjusted the potentiometer. Deducting one star only because the included pins were a bit loose.
Anonymous
Mar 20, 2026
Rating: 5/5
Great for learning electronics
Bought this for a university project. The documentation online is plentiful, and the hardware itself is robust. It survived several accidental drops during testing without issues.
Anonymous
Mar 09, 2026
Rating: 4/5
Solid component for the lab
We ordered ten of these for our makerspace. Most work perfectly out of the box. One unit required a bit more tweaking of the potentiometer to stabilize the output, but overall a good batch.
Anonymous
Mar 08, 2026
Rating: 5/5
Exceeded expectations
Very high sensitivity as advertised. I was able to detect motor vibrations from across the room. The build quality feels sturdy for such a small board.
Anonymous
Mar 03, 2026
Rating: 5/5
Perfect for Arduino Projects
This sensor works flawlessly with my Arduino Uno. The sensitivity adjustment is very responsive, allowing me to tune it exactly for my vibration alarm project. Great value for the price.
Q: How do I switch between Normally Open and Normally Closed modes?
A: The default configuration is usually Normally Open. To change the behavior, you can modify your code logic to invert the reading, or physically swap the signal wiring depending on your specific circuit design requirements.
Q: What is the maximum current this module can handle?
A: This is a signal sensor module, not a power relay. The output pin should only be connected to a microcontroller input or a low-current indicator LED. Do not connect high-load devices directly to the output pin.
Q: Can this sensor detect sound waves or only physical vibration?
A: This module is designed specifically for physical vibration and shock detection. While loud sounds can sometimes cause physical vibration in objects, it is not a microphone and will not detect sound waves directly.
Q: Is the output voltage compatible with 3.3V logic boards like ESP32?
A: Yes, the module operates on a 3.3V to 5V DC supply, and the digital output is compatible with both 3.3V and 5V logic systems, making it safe for use with ESP32, ESP8266, and Arduino.
Q: Does the package include headers for soldering?
A: Yes, the package typically includes a set of 3-pin male headers that you can solder onto the board for easy breadboard integration.
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