DEMO:- https://youtu.be/di_7B-S1Npw
here is a stap how to set up
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install raspbian os in your rapberry pi
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past "server.py" which is located in Pi directory in to raspberry pi.
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find your raspberry pi's ip with ifconfig
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change host variable in server.py with your current local ip
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run it "python server.py"
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install cv2 in your computer device make sure your computer device has a video camera.
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also change host variable in fingure.py with your pi's local ip
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run "python fingure.py"
use fingure to access your led with gpio pin follow gpio_setup.jpg for gpio setup