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:: Home » Cheap burglar alarms

Cheap burglar alarms

9 Burglar alarm circuits ideas

Last Updated on: July 11, 2021 by ElecCircuit.com
5 Burglar alarm circuits

Here is five burglar alarm circuits for you can look as idea To protect their property from thieves. simple switching, vibration systems, touch-sensitive.

Categories Amplifiers Tags Cheap burglar alarms, Home security alarm system, 2N2222 8 Comments

Motion detector alarm circuit with PIR sensor

Last Updated on: June 20, 2022 by Apichet Garaipoom
Motion detector alarm circuit with PIR sensor

You have a private area, right? If you have this motion detector alarm circuit. It will reduce your worries. Imagine a big bear is coming to the behind of your house. Then, the siren alert. The big bear is shocked and runs away. You and your family are safe. Is it great?

Categories Meters & Detectors Tags Cheap burglar alarms, Motion sensor 28 Comments

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