Still didn't do any work on the program but tried to help khoi. He got this weird hat for the rpi that has an analog digital converter on it. I got the libraries working on my rpi2 but then switched to rpi4 which khoi had where the pin numbers are all weird so the tutorial had a different weird bcm library and the farthest I got in 2 classes was getting an LED to blink from on of the pins on the board, next step would be to try and see if the board can read the output from a potentiometer, problem is the tutorial is 100% in Korean so hard to understand what the are explaining.
bruce_a
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