thermistor temperature sensing alarm

 This kind of temperature alarm will generate a signal when the temperature of the place to be controlled exceeds a predetermined level.

Possible applications:

* A cooling system which doesn't want the temperature to rise and that system don't fulfill the function of keeping the temperature low.

It can posible conect almost everything to the circuit, it can be utilise for inform about an emergency situation, this system can deactivate for a period of time the

 heat source.

* The circuit operates with 12 volts, but can work with any other voltage without affecting its utility.