The schematic and source code is available on my blog:-http://onlyusingtransistor.blogspot.in/
In this video I am sequentially controlling the led rainshower array using arduino uno .For those who want to know about led rainshower circuit I insist them to watch my other videos.
The later part of the video I showed how a potentiometer acted as a proximity switch it happened due to noise generated by the SMPS power supply. .
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