How to make Laser Security Alarm System without LDR || Inspire Award project || SKR Electronics Lab 

Maine yah project Banaya Mera yah project kam Kiya Hai i m Veri happy thank you bro Aise Aise project banane ke liye

Wow amazing idea

Good project

What's the Buzzer model? Is it active or passive? What's the operating voltage? plz mention.

Nice 👍

Very nice

Hello, hello, the circle is incomplete. It must still run when someone passes it❤❤❤❤

I am trying, but it's not working

I had buy it

Hello, hello, the circle is incomplete. It must still run when someone passes it

Whar can I do

❤❤❤❤❤❤❤

Not working

sir thanks but sab ka daygram milega to achha hoga

👍🏿👍🏿👍🏿

Bhai ye sach me kam karega kya please reply😢😢😢😢😢😢

Aapane to lti system ka upyog Kiya

Aap register Kahan per baithe ho

I am trying not working

Continue Alarm bajta rahta

This is Fake video

Not working

Not working

Not working