The circuit employs the functions of reed switches to produce a gate alarm that is powered by a universal AC/DC power supply. The circuit employs the functions of reed switches to produce a gate alarm ...
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 ...
Purchasing a home security system once required having a technician come into your house to punch holes in your walls, then snake wires to every door and window ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results