Arduino sketch modification and upload with Elegoo MEGA 2560 R3 board
Kit I got my ardunio stuff is available here http://amzn.to/2p1YCOJ
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I show how to modify a sketch using the arduino software. This is the easiest way to get a new program (sketch) without doing all of the coding youself. I am using the Elegoo MEGA 2560 R3 clone board that came with the kit I am using in this video series.