... but I want to use Firmata.
I want my motor to move at a range from 0 to 100. The value comes from a float.
I have a number from 0 to 100 in processing. 100 means that the pen of the plotter (it's like a plotter device) should be 100pct to the right. 0 means it should be left.
How to send a step
and also send the speed.