User Activity

  • Posted a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Ryan are you using the TMC2209 on he minigerber v1.1 instead of the drv8825?

  • Modified a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Robert, Tonight I tested the DRV8825 with the moonlite high resolution stepper. The test was successful using moving the stepper in and out and to any selected position and to home position. The following pin assignments from the DRV8825 to the DB9 connector DRV8825 pin ==> DB9 connector 1A ==> Pin 1 2A ==> Pin 2 1B ==> Pin 3 2B ==> Pin 4 I did not have to attach 12V+ to pin 5 or ground to the shield for the stepper to work. I didn't test the stepper with the 12v+ to pin 5 and 12v- to the shield....

  • Modified a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Robert, Tonight I tested the DRV8825 with the moonlite high resolution stepper. The test was successful using moving the stepper in and out and to any selected position and to home position. The following pin assignments from the DRV8825 to the DB9 connector DRV8825 pin ==> DB9 connector 1A ==> Pin 1 2A ==> Pin 2 1B ==> Pin 3 2B ==> Pin 4 I did not have to attach 12V+ to pin 5 or ground to the shield for the stepper to work. I didn't test the stepper with the 12v+ to pin 5 and 12v- to the shield....

  • Modified a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Robert, Tonight I tested the DRV8825 with the moonlite high resolution stepper. The test was successful using the following pin assignments from the DRV8825 to the DB9 connector DRV8825 pin ==> DB9 connector 1A ==> Pin 1 2A ==> Pin 2 1B ==> Pin 3 2B ==> Pin 4 I did not have to attach 12V+ to pin 5 or ground to the shield for the stepper to work. I didn't test the stepper with the 12v+ to pin 5 and 12v- to the shield. I so no reason to risk any potential issues since the stepper worked. If anyone...

  • Modified a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Robert, Tonight I tested the DRV8825 with the moonlite high resolution stepper. The test was successful using the following pin assignments from the DRV8825 to the DB9 connector DRV8825 pin DB9 connector 1A Pin 1 2A Pin 2 1B Pin 3 2B Pin 4 I did not have to attach 12V+ to pin 5 or ground to the shield for the stepper to work. I didn't test the stepper with the 12v+ to pin 5 and 12v- to the shield. I so no reason to risk any potential issues since the stepper worked. If anyone knows of any issues...

  • Modified a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Robert, Tonight I tested the DRV8825 with the moonlite high resolution stepper. The test was successful using the following pin assignments from the DRV8825 to the DB9 connector DRV8825 pin DB9 connector 1A Pin 1 2A Pin 2 1B Pin 3 2B Pin 4 I did not have to attach 12V+ to pin 5 or ground to the shield for the stepper to work. I didn't test the stepper with the 12v+ to pin 5 and 12v- to the shield. I so no reason to risk any potential issues since the stepper worked. If anyone knows of any issues...

  • Modified a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Robert, Tonight I tested the DRV8825 with the moonlite high resolution stepper. The test was successful using the following pin assignments from the DRV8825 to the DB9 connector DRV8825 pin DB9 connector 1A Pin 1 2A Pin 2 1B Pin 3 2B Pin 4 I did not have to attach 12V+ to pin 5 or ground to the shield for the stepper to work. I didn't test the stepper with the 12v+ to pin 5 and 12v- to the shield. I so no reason to risk any potential issues since the stepper worked. If anyone knows of any issues...

  • Posted a comment on discussion General Discussion on Arduino ASCOM Focuser Pro2 DIY

    Robert, Tonight I tested the DRV8825 with the moonlite high resolution stepper. The test was successful using the following pin assignments from the DRV8825 to the DB9 connector DRV8825 pin DB9 connector 1A Pin 1 2A Pin 2 1B Pin 3 2B Pin 4 I did not have to attach 12V+ to pin 5 or ground to the shield for the stepper to work. I didn't test the stepper with the 12v+ to pin 5 and 12v- to the shield. I so no reason to risk any potential issues since the stepper worked. If anyone knows of any issues...

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