Hi friends in this video I'm going to show you
How to make Long-range Proximity sensor / IR Security Alarm at home.
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➡➡ to Make a Water Level indicator Alarm at home
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➡➡ to make powerful water pump
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➡➡ to make a mobile phone cctv
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➡➡ to make a cctv use android phone
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➡➡ to set and use digital blood pressure machine
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#Proximity #Sensor #Security_Alarm
![](https://i.ytimg.com/vi/qqb59_0ydiQ/maxresdefault.jpg)