How to make proximity sensor

Hi friends in this video I'm going to show you.
How to make a proximity sensor.

➡➡ to Make Touch Switch at home
https://youtu.be/TD1_jvDB3Vs

➡➡ to Make a Rubber Band powered Car - Air Car
https://youtu.be/EBdQQbHQp9I

➡➡ to Make a Water Level indicator Alarm at home
https://youtu.be/sdmr6B99x_M

➡➡ to make powerful water pump
https://youtu.be/88Zk1_ruHwI

➡➡ to make a mobile phone cctv
https://youtu.be/e5DItfeL8m4

➡➡ to make a cctv use android phone
https://youtu.be/tpKkuUJaSy0

➡➡ to set and use digital blood pressure machine
https://youtu.be/vd6wVq3kJuc

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Thanks for watching. .

#proximity #sensor #IR

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Link:https://youtu.be/fzNMd3Tu1Zw

Видео How to make proximity sensor канала Technical Hacker