It’s a SW-420 Vibration Sensor Module. The vibration sensor module based on the vibration sensor SW-420 and Comparator LM393 is used to detect vibrations. The threshold can adjust using an on-board potentiometer.
Specification
| Operating voltage | 3.3V ~ 5V |
| Output format | digital switching output (0 and 1) |
| Dimensions (mm) | 40x15x7 |
| Operating Current | 15mA |
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