How to make Fire Alarm Circuit using Bc547 on breadboard HD

[@ElectroMin]

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[@frankdearr2772]

great , thanks for sharing 👍

[@ElectroMin]

Welcome

[@Lovemyuniverse2008]

👌🏼👌🏼👌🏼

[@kobagigauri5911]

Музыка супер

[@mohammadbrn1550]

this is cool

[@imranizudin3004]

what is the ohm value of that buzzer

[@TusharDeshmukh-b1i]

Very disappointing and not used for project work
#Fake

[@ElectroMin]

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[@redaahmed3049]

Didn't work

[@ElectroMin]

Check the polarity of the Infrared LED, normal LED and Buzzer . Make sure that the transistor pins are in the correct order maybe the emitter and collector are vice versa
When you are done with the wiring check whether it is according to the diagram or no 3:13

[@redaahmed3049]

​@@ElectroMini tried everything and didn't work at all

[@quartulainaskary1126]

Thank u so much , I just tried this circuit and it's working!!! 😭🤌