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Hola, compre unos ST820 en Aliexpress.
Cómo puedo cargar un nuevo firmware?
Necesito verificar y chequear el pin enable funcione igual que el drv8825.
Me podrían ayudar?
English
Hello, bu…
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Is it possible to use this board which has only STEP DIR and EN inputs ?
https://www.ebay.com/itm/42-CH-Stepper-Motor-Driver-Expansion-Board-DRV8825-A4988-for-3D-Printer-UNO-R3-/132540586828
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I would like to use it with DRV8825 or with an A4988.
Thanks so much for the software
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1. Stepper Motors
2. ATX power supply
3. RAMP 1.4
4. DRV8825 * 4
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I tried uploading and running the lua code, but I get and error on startup
[0;32mI (468406) gpio: GPIO[16]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0 [0m
Slept DRV882…
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Stepper Driver Model Max A RMS
A4988 2A
TMC2208 1.2A
DRV8825 2.0A
TMC2100 2.5A
Example for A4988
Stepper Current = VREF × Max RMS
Finding VREF: Stepper Current/Max RMS = VREG
VREF POT: 2.0=0.8…
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#### Issue:
When Configuring of Dual Z endstop in SKR2 board the `Z2_min` fails to get mapped to `XMAX `or `YMAX` pins.
#### Steps to reproduce:
* Download the latest Marlin2.x release from m…
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I have already tried on 3 pieces of DRV8825.
Can you detail the process and possibly check if the soldering was correct?
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Hi, awesome work here.
but i think im looking for a control through homekit to operate a stepper motor bipolar... using DRV8825 or DM556
maybe configurable velocity or steps... or intial potitio…
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Hey.
I use Arduino Uno with cnc shield and DRV8825. I connected motors. I have problem with motors. Axis X doesn't work. Y works well. Z axis works only in one direction. I tried to change cnc shield…