Features:
Board size: 29.3*13.8mm
Support 5V/3.3V voltage input
The sensitivity of signal detection can be adjusted
With 3mm screw holes for easy fixing and installation;
Onboard LM393 voltage comparator chip and vibration sensing probe
Onboard signal output indication, the output valid signal is low level and the indicator light is on, the output signal can be directly connected with the single chip IO
Interface description:
VCC: positive power supply;
GND: the negative pole of the power supply;
OUT: module digital output interface (0 and 1)