Basic Simple Fire Alarm Circuit Diagram

In this article let us discuss about simple fire alarm circuit using thermistor.

Basic simple fire alarm circuit diagram. 1 x 10 k thermistor. Different types of fire alarm system such as conventional addressable intelligent and smart wireless designs are used for the same purpose i e. The circuit produces an audible alarm when the fire breaks out with smoke. In this tutorial i will show you how to make a simple fire alarm circuit that detects nearby fire in a small radius and the sensor activates the op amp lm358 to produce the output sound through a buzzer.

Collection of fire alarm wiring diagram pdf. Variety of fire alarm installation wiring diagram. It reveals the elements of the circuit as simplified forms and the power and signal connections between the devices. 1 x lm358 operational amplifier op amp.

The most essential electronic device at home or industry or any other place where there is a chance of fire accident is a fire alarm circuit. Circuit 1 simple fire alarm circuit this is a very simple alarm circuit using thermistor lm358 operational amplifier and a buzzer. It shows the parts of the circuit as streamlined shapes as well as the power as well as signal connections in between the gadgets. This project covers a simple fire alarm circuit using thermistor and 555 timer ic.

A wiring diagram is a streamlined traditional photographic depiction of an electric circuit. The circuit diagram of this simple fire alarm project is shown in the following image. In case of emergency the sounders will operate to warn the people around to evocative via general or emergency exit. When there is no smoke the light from the bulb will be directly falling on the ldr.

The alarm works by sensing the smoke produced during fire. A wiring diagram is a simplified conventional pictorial depiction of an electrical circuit. Here is a simple fire alarm circuit based on a light dependent resistor ldr and lamp pair for sensing the fire. This simple fire alarm circuit can be used as a indicator or warning circuit for excessive fire and temperature.

The fire alarm circuit can be defined as an electronic circuit used for identifying fire accident and. Here thermistor is used as a fire detector. Fire alarm systems are wired in industrial factories offices public buildings and nowadays even in homes.