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A standalone shock and vibration sensor device detects abnormal vibrations or shocks. Compact and versatile, it can be deployed in any environment requiring such monitoring. Fig. 1 displays various types of vibration sensors.
Circuit and working
Fig. 2 displays the circuit diagram of the standalone shock and vibration sensor device. It is built around transistor 2N2222 (T1), two electrolytic capacitors: one of 10μF, 16V rating (C1) and the other of 4.7μF, 16V rating (C2), two resistors: one of 330 ohm (R1) and the other of 3.3-kilo-ohm (R2), a yellow LED, and a few other components.
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