When controlling a motor from the brain it make the motor spin faster but when I use the programmed driver control the motor spins much slower. I believe its programming issue not a building issue but could be wrong.
mind pasting your code so we can look at it?
If you do this make sure to box it in with ‘’’ to make it easier to read.
Make sure you set your max velocity of your motors to 100% in your program
Make sure yhat your motors are set to max velocity 100%