The YL-333 Magnetic Antitheft Alarm is an easy to install security alarm system for doors and windows. This battery-operated device works on the principle of magnetic proximity detection. It can ...
Wireless security solution to be on display at ISC East The new Vanishing Door/Window Mini Transmitter from HAI is an ultra-thin wireless contact that can blend into any décor. HAI, the leading ...
Now you can build your own simple door alarm security system using a tiny microcontroller chip PIC12F635! The circuit is nothing but an aural alert unit, which raises ...
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