Fire Security Alarm Circuit Without Transistor

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Hii friend,

Today I am going to make a fire alarm circuit without using any transistor.

Let's get started,

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Step 1: Take All Components As Shown Below

Components required -

(1.) Battery - 9V x1

(2.) Battery clipper x1

(3.) Buzzer x1

(4.) IR Sensor x1

(5.) Match

Step 2: Solder IR Sensor to Buzzer

Connect +ve wire of IR Sensor to the +ve of buzzer as shown in picture.

Step 3: Now Connect Battery Clipper Wire

Now connect +ve wire of battery clipper to -ve of IR Sensor and

-ve wire of battery clipper to -ve of buzzer as shown in picture.

Step 4: Now Connect Battery to the Circuit

Now connect battery to the circuit and use it.

Step 5: How to Use It

Burn fire across this circuit then buzzer will give beep sound.

Uses:- This circuit will help us to protect from fire.

Thank you

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