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 |
Country of Origin | China |