So I just finished my e board. I'm running 2 3s batteries in series and a hobbywing 150a ESC. When I start going it will just randomly turn on the brakes. Also... the speed is always different. Sometimes it's fast. Sometimes it's slow. I attached a video.
https://youtu.be/r3SGvUxRGtQ
https://youtu.be/r3SGvUxRGtQ