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Briefcase Alarm

Briefcase Alarm

23841-+ N13VBATT.S1ON/OFFSWITCHIC1 (N1) = LM358D11N4148PZ1PIEZO-BUZZERR11MVR122KPIEZOELECTRICSENSORR215KBriefcase Alarm
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publish time: 2020-10-21
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This miniature alarm will automatically sound an alarm to prevent valuables from being stolen. For example, if someone tries to pick up your briefcase, this battery-powered gadget can be hidden in the briefcase. The circuit uses few components and is easy to manufacture.

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