How to make a laser security system at Home (Hindi / Urdu)

Channel: Learn By Watch

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Working principle of this project: http://youtu.be/vp3mOCw5gI4 (English) https://youtu.be/ss11nMuyDiE (Hindi)

In this video Mr. Alok Verma and Mr. Atul Pal will show you how to make a laser security system at home at low cost. You can use this project to protect your house, shop and other things.