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How to make a simple Door alarm without LDR and Laser at home ALL CRAZY KNOWLEDGE

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Hi friends i am new on youtube please support my channel.
Hello guys welcome back to my channel.

Today in this video I will tell you for How to make a door alarm without LDR and Laser ever.

My other video

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Till then keep innovating new things and I will see you in next one.

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Category
Make home theater

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