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i am using a ping sensor to detect movement, which alters 3 overlapping videos. i was wondering if anyone out there knows how i can put a color gradient over the video AND have the gradient change colors depending on the proximity of the person? are there any tutorials out there that demonstrate this? let me know if i can provide any more details. thanks!

hello,
i am using a ping sensor to detect movement, which alters 3 overlapping videos. i was wondering if anyone out there knows how i can put a color gradient over the video AND have the gradient change colors depending on the proximity of the person? are there any tutorials out there that demonstrate this? let me know if i can provide any more details. thanks!


how to change color gradient (using arduino & ping sensor)