This Vibration sensor is based on the Hi high precision vibration sensor 801S, it has 2 outputs, includes TTL and analog output, the sensitivity of TTL output can be adjusted by the on-board potentiometer, you can also read the analog output with any ADC to get the vibration condition.
Specification
Size: 20x32x11mm
the main chip: LM393, 801S
work voltage: DC 5V
with the signal output instructions
with analog and TTL level signal output signal output
the output valid signal is high, the light goes out
sensitivity adjustable (fine tuning)
vibration detection range, non-directional
with mounting holes, firmware installation flexible and convenient.