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Locker Guard

Locker Guard

++G11237G2564G38910G412131114+R1220ΩR41KZD14.7V0.5WZENERR21MC147μ16VR31MC216VT1BC548R5100KC347μ16V9VBATT.IC1 (G1-G4) = CD4093PZ1PIEZO-BUZZERT2BC548LDR1Locker Guard
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publish time: 2020-10-26
Circuit Everyday

Use this simple circuit to prevent valuables from being stolen.It would beep a warning when someone tried to open the locked safe.Warning sirens go off at intervals of a few seconds, so they are not unpleasant.Even when the door is closed, the alarm goes off for several seconds.

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