while i read myself into creating python components, do you mean i should put the resistor between the FET + output (which is going into the pwm pin on the motor controller) and the extruder power input (p405)?
Am Freitag, 23. September 2016 15:57:40 UTC+2 schrieb Charles Steinkuehler: > > On 9/23/2016 8:39 AM, Sag ich Dir nich wrote: > > thank you, the motor controller i use is the > > > > Pololu G2 High-Power Motor Driver 24v21 > > > > https://www.pololu.com/product/2995 > > That is pretty much just a raw H-Bridge driver. The PWM output from > the PRU will not be nearly fast enough to provide smooth operation. > > I suggest you use one of the BBB's hardware PWM channels running at > about 20 KHz (the PWM frequency recommended by Pololu). While the PWM > pulses need to be generated quickly, updates to the PWM can happen > slowly. I suggest you write a simple user-mode Python HAL component > and use one of the available libraries to drive the hardware PWM logic. > > -- > Charles Steinkuehler > cha...@steinkuehler.net <javascript:> > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to machinekit+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
