Availability: 2 in stock
Vibration module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can be adjusted by the on-board potentiometer.
Used for variety of shocks triggering, theft alarm, smart car, an earthquake alarm, motorcycle alarm.
- SW-420 normally closed type vibration sensors.
- Comparator output signal clean wave well, driving ability, 15mA
- Rated voltage: 3.3V-5V
- Output: digital switching output (0 and 1)
- Using wide LM393 voltage comparator
2 in stock