A standalone shock and vibration detection 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.
| Parts List (excluding expansion circuit) |
| Semiconductors: T1 – 2N2222 NPN transistor LED1 – 5mm yellow LED Resistors (all 1/4-watt, ±5% carbon): R1 – 330-ohm R2 – 3.3-kilo-ohm Capacitors: C1 – 10μF, 16V electrolytic C2 – 4.7μF, 16V electrolytic Miscellaneous: Batt.1 – CR2032 3V coin cell SEN1 – SW18015P vibration sensor switch (or equivalent) |
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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