Lot of work finished, and also lot ahead.

The driver and the measurement is working:

And here is the current state of the schematics:

I'll explain the operation in a later post. Now just the things still ahead:

- A few mV noise is still on the motor's rail, what I want to filter out. In addition I want to change the current passive measurement filter to a 2nd order active Chebyshev filter.

- The complete PWM generator, frequency measurement, display, PID controller is ahead.