– Commercial – 
A standalone shock and vibration sensor system detects irregular vibrations or shocks. Compact and versatile, it may be deployed in any surroundings requiring such monitoring. Fig. 1 shows numerous varieties of vibration sensors.
Circuit and dealing
Fig. 2 shows the circuit diagram of the standalone shock and vibration sensor system. It’s constructed round transistor 2N2222 (T1), two electrolytic capacitors: certainly one of 10μF, 16V ranking (C1) and the opposite of 4.7μF, 16V ranking (C2), two resistors: certainly one of 330 ohm (R1) and the opposite of three.3-kilo-ohm (R2), a yellow LED, and some different parts.
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