Automatic Fire Alarm using Thermistor

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A Circuit that detects the fire and activates the Siren Sound or Buzzer is called Automatic Fir Alarm Circuit. It is very very important devices to detect fire in time and prevent damages to people or property.
It is a part of security system which protects people and precious property like bank, home and accounting record of an organization. Fire Alarm circuit is necessary part of today busy life. Many expensive Fire Alarm Circuits are available in the market but we are going to make 5 very simple Automatic Fir Alarm Circuits in this article.

Видео Automatic Fire Alarm using Thermistor канала Robo projects