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#1 2019-04-01 19:50:07

Abaddon
Member
Registered: 2019-04-01
Posts: 7

2 problems (Step pin and projector)

Hi, i'm using nanoDLP with 3d printer i build by my own and have 2 problems i cannot handle. First is projector, when the printing ends or i stop it, at next print it shows no layers, just turns off, turns on and keeps showing black color, this background between prints. Have to restart projector and raspberry Pi. It happens after 2,3,4 prints, not always. After restart, stepmotor stops working. I checked all raspberry pins on oscilloscope, step's one does'nt work, just stays on 0V and sends no pulses. It needs many restarts to start working propertly, it is faster to reinstall nanoDLP, always helps.


I'm using Raspberry Pi rev1, a4988 as stepmotor driver and PicoPix PPX4010

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#2 2019-04-01 20:03:09

Shahin
Administrator
Registered: 2016-02-17
Posts: 2,541

Re: 2 problems (Step pin and projector)

Upgrade rasbian to latest version see if it helps.

1. Probably GPU initialization issue, see if there is any report on similar issue over the net.
2. This one is very strange. I am not sure what could cause it as it is not reported before.

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#3 2019-04-01 20:39:10

Abaddon
Member
Registered: 2019-04-01
Posts: 7

Re: 2 problems (Step pin and projector)

Im not using rasbian, just burned nanodlp image on sd card, put into raspberry and connect with laptop using ethernet cable. Should i work on raspian?

Last edited by Abaddon (2019-04-01 20:39:30)

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#4 2019-04-02 15:07:17

Shahin
Administrator
Registered: 2016-02-17
Posts: 2,541

Re: 2 problems (Step pin and projector)

NanoDLP SD image is based on raspbian OS. Is the printer made by yourself?
Also please, share a debug file

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#5 2019-04-05 20:12:53

Abaddon
Member
Registered: 2019-04-01
Posts: 7

Re: 2 problems (Step pin and projector)

This one when stepmotor did not work:

https://drive.google.com/open?id=1dzTVQ … IPQaRUZNZx


and when i had projector problem:
https://drive.google.com/open?id=13Gc6u … Q3Nt12mhG0

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#6 2019-04-06 02:09:13

Shahin
Administrator
Registered: 2016-02-17
Posts: 2,541

Re: 2 problems (Step pin and projector)

Disable "Display Communication Type" from the setup page.

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#7 2019-04-15 18:35:04

Abaddon
Member
Registered: 2019-04-01
Posts: 7

Re: 2 problems (Step pin and projector)

Thanks, it helped with projector.

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