Fire alarm project is a circuit designed for pre detecting the presence of fire caught in a place.Here is a simple fire alarm project for school.
 |
| Fire alarm project |
How to make fire alarm project
The fire alarm project can be made in different ways such as by using transistors, integrated circuits(IC), microcontrollers etc.
The normal way of making fire alarm circuit is by using transistor and some passive components such as capacitors, resistors etc.
Components Used
* Transistor
* Photodiode
* Capacitor
* LED
* Buzzer
* PCB
Working Principle of fire alarm circuit
The working principle behind fire alarm circuit is the convertion of light energy into electrical energy. Not all photons/ light is applicable in this circuit. The luminance of light matters. Normally fire has large luminance and this circuit is designed to detect the luminance of fire. So that error will not happen. You can easily note that only one transistor is used to detect fire.
This is fine that we dont interfere with much light in the surrounding areas. The sensor circuit is recommended to cover or darken or keep in dark areas so that the circuit works fine without any error.
Download Circuit Diagram Click Here
Watch video 👇....
