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Type: Posts; User: mstiller

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  1. No issue, i'm thankful for the hints and tips and...

    No issue, i'm thankful for the hints and tips and someone actually trying it out. Appreciate that.
  2. What do you mean with "powered the DRV8825"? You...

    What do you mean with "powered the DRV8825"? You connected Teensys VIN to RESET and SLEEP of the DRV?
    I'm just wondering because in the polulu's diagram i used there is no VDD to the DRV8825. Just...
  3. Thanks for testing. Interesting fact is, i...

    Thanks for testing. Interesting fact is, i switched the Teensy with an ESP32 and it works without issues so far. :confused:

    20779
  4. Thanks for all for the help. I'm thinking about...

    Thanks for all for the help. I'm thinking about ordering some cheap optocouplers and experiment with these.
    Unfortunately i have no T 3.2 at hand but don't mind ordering one for experimentation.
    ...
  5. Thanks, very good hints. I think some GND...

    Thanks, very good hints. I think some GND potential issue causes the Teensy to brownout / reboot.

    @luni:

    I did not connect Motor GND to Digital GND but according to...
  6. Further debugging with Serial4 and debugPrint...

    Further debugging with Serial4 and debugPrint revealed that in fact the Teensy is just rebooting. (Without any "error" message before). Unsure why it gets into that flash loop sometimes if a simple...
  7. Teensy 4.0 strange "resets/reboots" driving a Pololu DRV8825

    Hi,

    i have a Teensy 4.0 attached to a DRV8825 Stepper Driver using the minimal wiring diagram from here:

    https://www.pololu.com/product/2133

    The driver is connected to the Teensy using the...
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