SW-420 Normally Closed Vibration Sensor Module Alarm System DIY Highly Sensitive Vibration Sensor Module
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Used to trigger the effect of various vibrations, theft alarms, intelligent cars, earthquake alarms, motorcycle alarms, etc.
This module is compared with the normally open type vibration sensor module, Vibration trigger for longer periods of time, can drive the relay module
The product does not vibrate, the vibrate switch was in a closed conduction state, the output was low, and the green indicator light;
Product vibration, The vibration switch instantly disconnects the output output high, and the green light is not on;
The output and the microcontroller are directly connected to the microcontroller to detect high and low, thereby detecting the vibration environment, playing an alarming role
Using SW-420 normally closed-type vibration sensor
Comparator output- clean signal- good waveform- strong driving ability- >15mA
Working voltage 3.3V ~ 5V
Output format: digital switching output (0 and 1)
Using a wide voltage LM393 comparator
With bolt holes for easy installation
Small PCB size: 3.2 x 1.4cm
|Dimensions||3.2 × 1.4 × 1 cm|