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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How to Make a Door Alarm Simple - Theft Alert Alarm
Learn how to make a simple door alarm to enhance your home security with our step-by-step guide. This DIY theft alert alarm is perfect for keeping unwanted guests away and protecting your belongings.
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 ...
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