Smallest Fire Alarm in the World - Simplest Method (DIY)

Introduction: Smallest Fire Alarm in the World - Simplest Method (DIY)

Step By Step ( Even Soldering The Components ) Video On How To Make Simplest And Smallest Fire Alarm Ever Made , Which Is Very Efficient also Its Portable. This Project Is Fun, Easy And Cheap To Make So I Hope You Enjoy It And Take Benefit From

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Step 1: Components :

Infrared LED ( IR LED )
Buzzer

9V Battery Clip

Step 2: Circuit Diagram :

Step 3: How to Make It :

Video !!
Why Video ? Because its Easiest And Most Efficient Way To Learn

Step 4: Support Me & How to Contact :

Please Support Me With Like , Share , Subscribe Or Vote To My Instructable
YouTube : https://www.youtube.com/c/zhyarshexazard

Facebook : https://www.facebook.com/zhyar.shexazard.2

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    9 Discussions

    0
    aryashrivastava99
    aryashrivastava99

    3 years ago

    Is there any special requirement for LED and buzzer?

    0
    Yonatan24
    Yonatan24

    4 years ago

    I'm not sure a video counts as an Instructable...
    Is it only me, Or did you wire up the schematic incorrectly? Isn't it supposed to be positive to negative to positive?

    0
    Yonatan24
    Yonatan24

    Reply 4 years ago

    If it turns on with fire, Won't it also turn on with sunlight?

    0
    zhyar4kurd
    zhyar4kurd

    Reply 4 years ago

    :D if you have a little bit experience in physic for sure you know frequency of light , infrared is light too the device only works with high frequency of infrared light

    0
    Yonatan24
    Yonatan24

    Reply 4 years ago

    The sun emits IR light too, That's how we feel that sunlight is warm...

    0
    zhyar4kurd
    zhyar4kurd

    Reply 4 years ago

    yea it emits it but the frequency decreases until it reach's us :)

    0
    zhyar4kurd
    zhyar4kurd

    Reply 4 years ago

    :D The Schematic is totally fine if you change the polarity it still work but its wont be efficient , and about the video I have no idea what is the problem with a video ?

    0
    Yonatan24
    Yonatan24

    Reply 4 years ago

    An Instructable has to be "Step-By-Step"

    You can ask the staff if you need help with that, Or you can also search in the Instructables search bar "How to make an Instructable"

    0
    zhyar4kurd
    zhyar4kurd

    Reply 4 years ago

    If You look at it the steps are really clear I putted the video in last just in case if someone cant understand circuits :)