Fire Alarm Circuit Using 555 Ic

Hii friend,

Today I am going to make a fire alarm circuit using 555 timer IC.This circuit is very easy to make fire alarm circuit.

Let's get started,

Components required -

(1.) Buzzer x1

(2.) Battery clipper x1

(3.) IC - 555 x1

(4.) Copper wire

(5.) Battery - 9V

(6.) Match box (for fire)

This picture show the pinouts of timer ic 555.

firstly we have to connect buzzer.

Connect +ve pin of buzzer to pin-3 of 555 ic and

Connect -ve pin of buzzer to pin-1 of ic.

Next we have to make spring of copper wire as shown in the picture.

Next connect copper wire to pin-2 of the ic.

Next connect pin-4 and pin-8 of the ic as solder in the picture.

And also connect a wire on pin-6.

Now connect battery clipper wire.

Connect +ve of battery clipper to pin-8 and -ve of battery clipper to pin-1 of the ic as you can see in the picture.

Connect battery to the Battery clipper and burn fire near the copper wire as shown in the picture.

NOTE : Touch on the pin-6 of IC to turn off the sound.

Thank you