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#1 Help and Support » Wifi Disconnect issues; can I connect via USB? » 2017-12-28 21:49:07
- TheAtomicSoul
- Replies: 1
I have intermittent connection to my Pi3; currently I'm not even sure if it's printing after a bit since the wifi stops connecting.
(It SHOULD continue to finish a print after losing wifi, right?)
The www.nanodlp.com/dashboard still shows the pi connected but will not let me open its interface.
The Pi has a constant red light with the green occasionally flashing on it.
The Pi3 is connected to a 3.0USB plug on my PC.
I cannot wire it by Ethernet where I have to use the resin printer.
Is there any way to use the downloaded Windows NanoDLP app to connect to it via USB?
#2 Re: Help and Support » Pi3 Direct Drive Wiring Help » 2017-11-09 02:56:48
I just pulled the paper for the stepper motor a moment ago; it's a 0.9 degree stepper motor. (I think that gives a higher degree of detail?)
(I had originally bought a few of the parts I'm using for this for a PLA printer I had planned to build.)
#3 Re: Help and Support » Pi3 Direct Drive Wiring Help » 2017-11-09 01:57:03
Thanks bigfilsing; I've found a few images that have helped clarify some of the connections on the stepper motor driver so I named them accordingly on it (instead of going aplhabeticaly on them.)
The 4th pin is "G", which I assume is ground(?)
I don't see a line/path from it to any of the DRV8825 connection points.
I'm using a DRV8825 Driver Module on the Stepper Motor (v1.1) expansion board.
I added the DRV8825 board layout to my image and was able to verify this is the layout that is on the expansion board- and the correct direction to mount it. 
https://drive.google.com/file/d/1zJGUAE … sp=sharing
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Here is the closeup of the board. The 4th pin is "G", which I assume is ground(?)
https://ae01.alicdn.com/kf/HTB1XjTZQVXX … tional.jpg
#4 Re: Help and Support » Pi3 Direct Drive Wiring Help » 2017-11-06 20:48:33
send me a link to the banggood stepper driver board pls and ill see if i can help out
I'm using a A4988/DRV8825 3D Printer Stepper Motor Driver Control Extension Shield Board GM
with a Hobbypower StepStick 4-layer DRV8825 Stepper Motor Driver Module A4988
I'm trying to wire this directly to the Raspberry pi3 (based on the prior linked diagram) in order to reduce the cost for the build.
#5 Help and Support » Pi3 Direct Drive Wiring Help » 2017-11-06 05:47:40
- TheAtomicSoul
- Replies: 9
I am in the process of building a direct drive resin printer and found the schematic (https://www.nanodlp.com/download/schematic.png), but I am not good at reading diagrams and am kind of confused by it.
Is there a possibility anyone could take a look at the linked picture and tell me which letters and numbers connect to each other?
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