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using open cv to control relay

Hi all,

First off, I'm new to the forum so I wanted to say hi.

Also, as you can tell from my name, I am very new to all this, but I'm eager to learn, so any help would be much appreciated!

Ok, so I want to use open cv to be able to identify 3 colors: red blue, and green. and then when it detects those colors, sends a signal to the GPIO pins to open and close a relay.

I've played around with some code that I have found, but frankly, I'm lost.

Again, any help would be greatly appreciated!