Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | SW1801P |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Digital Switching Output (0 and 1) |
| Sensitivity Adjustment | Potentiometer Adjustable |
| Indicator LED | Power and Trigger Status LEDs |
| Mounting Hole Diameter | 3.0 mm |
| PCB Dimensions | 32mm x 14mm x 6mm |
| Compatible Platforms | Arduino, Raspberry Pi, STM32 |
| Detection Angle | 360 Degrees Omnidirectional |
| Package Contents | 1x Sensor Module, 1x Pin Header Strip |
Anonymous
Mar 31, 2026
Rating: 5/5
Great for learning electronics
Bought this for a university project. Documentation online is plentiful, and the module itself is robust. It survived several accidental drops during testing without any loss in functionality.
Anonymous
Mar 27, 2026
Rating: 5/5
Perfect for my DIY alarm project
This sensor is incredibly easy to set up with Arduino. The sensitivity potentiometer allows me to fine-tune it so it doesn't trigger from minor background noise but catches actual bumps instantly.
Anonymous
Mar 21, 2026
Rating: 4/5
Works well for security applications
Integrated this into a custom door security system. It detects tapping or forced entry attempts effectively. Just make sure to adjust the sensitivity carefully to avoid false alarms from traffic outside.
Anonymous
Mar 14, 2026
Rating: 4/5
Good value, works as expected
Solid build quality for the price. The LEDs are bright enough to see status clearly. I deducted one star because the pin headers were not pre-soldered, but that's standard for these modules.
Anonymous
Mar 09, 2026
Rating: 5/5
Highly sensitive and reliable
I used this to monitor vibration on a motor setup. It responds very quickly to changes. The digital output makes interfacing with microcontrollers straightforward without needing extra comparators.
Anonymous
Mar 07, 2026
Rating: 5/5
Compact and efficient
The small footprint is perfect for my compact robot design. Power consumption is low, which is great for battery-operated projects. Highly recommend for anyone needing simple vibration detection.
Q: What is the maximum current this sensor 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, typically under 20mA.
Q: Is this suitable for outdoor use?
A: The PCB itself is not weatherproof. For outdoor use, you must enclose the module in a waterproof housing to protect it from moisture and dust.
Q: How do I adjust the sensitivity level?
A: There is a blue potentiometer on the board. Use a small screwdriver to rotate it clockwise to increase sensitivity or counter-clockwise to decrease it.
Q: Can I power this directly from a 5V USB source?
A: Yes, the module operates within a 3.3V to 5V DC range, so connecting it to a standard 5V USB power source is perfectly safe and recommended.
Q: Does this module output analog or digital signals?
A: The SW1801P module outputs a digital signal (HIGH/LOW). It acts as a switch when vibration exceeds the threshold set by the potentiometer.
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