Скачать или смотреть හොරු අල්ලන එලාම් එක 🔊 How to make Door security Alarm

This video about How to make door security alarm🚪using IR sensor

In this video we are making a working model of a door alarm project or door open detector alarm at home. This door alarm is very easy to make at home with the help of our video .

Using materials:-
1. 3.7v lithium battery
2. dc buzzer
3. crocodile clips
4. IR sensor module

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