Скачать или смотреть I R Security Alarm Sensor With BC547 |

Some ideas and experiments can be dangerous. For that you don't risk and damage your self and the environment. I am professional in my business with a lot of experience !
Every video, even that is completed with compliance with the all safety measures.
Enjoy the video and eat the sweets.

Materials / components :

1. Bc547
2. IR
3. 22uf 63 v capacitor

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WARNING :
This video is for demonstration and education purpose only. Each demonstration presents risk and hazards that must be fully understood before attempting. And should be performed only by professionals.

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