Posts Tagged ‘free alarm system’



Burglar Alarm model the circuit closes

Monday, November 17th, 2008

This circuit works with battery 9V a piece is very small. For the work happens independently don’t be under house electricity. The circuit will make a noise to warn work as soon as , detect which be switch model usual close the circuit or aluminium , eliminated separate.

Protects steal touch model by IC741

Friday, October 17th, 2008

Contain divide this friends many you may face a problem economical. A steal the very. Today I then beg for to advise the circuit protects steal again model that interesting. It is model to touch , the system will work when , steal touch at the metal detects. When you see the circuit may like [...]

Easy kick out steal

Saturday, October 4th, 2008

Although the prevent steal or Circuit this be model to be easy the system is simple. but I thinks it may help can protect your assets. The principle is simple be the system Close Wire Loop. It will make a noise to warn when the circuit torn , by this circuit , use the electric [...]