I have been trying to get some answers recently on how exactly to make the Bipolar Stepper Motor move a bit quickly compared to not.
I was using drivers that seem to not be the issue now. I have tried multiple drivers and chips like the ULN2003 that can be used directly from the BBB or BeagleY-AI to the ULN2003 to the stepper motor.
In the diagram, it is plausible to handle stepper usage with ease and with little circuitry.
My issue is not trying to move it but exactly how to enforce speed and accuracy at good velocity.
For instance, I have this BBB or BeagleY-AI. I attach the ULN2003 or other driver to handle the update via GPIO to the stepper motor and I am stuck moving quite slowly during the RPM of the motor.
I have reached out many times on this front.
If you know what I am discussing, please do reply. I noticed another fellow getting UART from PRU working and he made a build process for others to view on github.
I was going to review the build, like earlier today, to try to get some UART and PRU functionality working for specific drivers and motors from Teknic.com.
I know there is a piece to this puzzle I am missing. What do I need to make this motor move a bit quicker than now?
Seth
P.S. I mean…is it possible to use GPIO alone to make this stepper motor move a bit faster or should I try another route with different peripherals?
And excuse me for saying this idea out loud. The L293 is fine and works. The SN754410 works too.
I was actually trying to drive a bipolar stepper motor with the ULN2003 and making errors because it was basically intended for the unipolar stepper motor types.
This is one issue I had. Now, with knowing that L293 drivers are better equipped to handle the bipolar types of stepper motors, I can try these now.
I should have relied on the tested and true versioning to Bipolar Motors for acquiring testing results. I went to the ULN2003 which is for Unipolar Stepper Motor types.
Yea. I chat about old school motor movements at times. Who knows how smart a motor can actually be during its lifespan?
First the 1979 chips and now 1996 chips and so on…
Now, revisions and updates to specific chips are being introduced while other chips are being held highly in regard to make motors do specific tasks and quickly.
I watching the viewership on PRU with it being in the open field of communications now is tantalizing.
Seth
P.S. I will check the Youtube link later… Thank you.
