RepPanel - A DIY alternative to the PanelDue with WiFi support
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@paralepsis Repeating the experiment, I am seeing the simulated time on the RepPanel. Must have been operator error. Sorry for the misdirection.
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I just got my display from buydisplay.com and realized I ordered the 3-wire SPI version instead of the 4 wire version. I also have @PCR's circuit board. Is there a way to reconfigure the software to work with the 3-wire display?
Also, does anyone have a close up picture of their display board? According to the data sheet there should be 0R resistors installed at R1-R10 and R21-R28 and I am missing them.
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@k3lag I think you might be in luck. To me it is not 100% clear what the "4-wires" are exactly. The current built also does not directly specify a MISO for the SPI. The display offers a "data" connection that could be independent from the SPI to read the TFT data chip ID etc. So just give it a try!
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@seeul8er said in RepPanel - A DIY alternative to the PanelDue with WiFi support:
@k3lag I think you might be in luck. To me it is not 100% clear what the "4-wires" are exactly. The current built also does not directly specify a MISO for the SPI. The display offers a "data" connection that could be independent from the SPI to read the TFT data chip ID etc. So just give it a try!
I did. It didn’t work. The board appears to be jumpered for 18-bit rgb instead of SPI. I’m in contact with buydisplay and we will see what they say.
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Apparently I accidentally selected the wrong option when I ordered my board and I got the 18-bit RGB version. After talking to buydisplay I choose to rejumper the board for 4-pin SPI and it works now.
I am having a problem with it freezing after a few minutes of operation. Right before it freezes I see the WiFi icon turn yellow momentarily then it goes back to green and it's frozen at that point. After a reset it will work again for a while then do the same thing. I have an Orbi mesh WiFi network and I wonder if it's somehow struggling with that. When I go to pick a WiFi network it shows each of the 3 Orbi bases as separate networks and there is no way to tell which one you are picking. Don't know if that's the problem or not but I plan to fiddle more to see if I can figure it out.Never mind. I don't use the filament directory so once I added a filament file it was happy. -
@k3lag Thank you for reporting the issue. I think someone already mentioned that. I added the bug to the github issues
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Aw man did I just goof up again?
I ordered this panel after ordering another one that wasn't touchscreen...
The pinout doesn't look right; but it seems to have the recommended driver
https://www.aliexpress.com/item/4000127949256.html?spm=a2g0s.9042311.0.0.13734c4dRwnSJw
Can I use this at all?
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Ok so it appears to be a parallel display; I did however manage to get the library examples working on my esp32 using the TFT_eSPI lib on arduino IDE...Not sure how that would work on IDF
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@fractalengineer In your case to get it working you will need to write a display driver for LvGL that supports the parallel interface. The drivers from LVGL do not support the parallel display interface as far as I know. The touch screen should work out of the box since there is already a driver available.
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@seeul8er Ok that's well beyond my skill level lol; I'll just look for an appropriate screen.
Btw this is tested to work on Duet3+SBC right?
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This currently only works with boards in standalone mode
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@Sindarius Can this be adapted to work in CNC mode? I would prefer this interface to the paneldue to control my workbee
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@chimaeragh The DWC-CNC itself should not have anything to do with this. This is a separate interface that others are working on. It is quite slick though
Maybe whoever is working on this effort can look at making a version of it focused around a CNC, would be quite slick. -
@chimaeragh As Sindarius already stated: RepPanel is self contained and runs on the ESP32.
Sadly I do not have the time or motivation to make a port for CNC applications. CNCs require quiet a lot more manual control over the heads position. I also think that because of that a bigger display (coupled with a more powerfull MCU) would be adequate which probably requires a complete rewirte of the code.
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Hi there @PCR any boards pcb boards left ?
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yes 18x or so
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Oh cool, I would be interested in one!
Is there some kind of dedicated page documenting the things I would need to get it running. I'm running the Duet 3 v1.01
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Hi there @PCR I am interested on a set = (PCB, GPIO Headers + ESP32), send me payment details — shipping to NYC 10023.
Also, I might have missed it—where is the repo for the firmware? I am building a PCB making printer (trace, solder paste & drill) that requires some modification to GUI.
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@carlos_lema said in RepPanel - A DIY alternative to the PanelDue with WiFi support:
Also, I might have missed it—where is the repo for the firmware? I am building a PCB making printer (trace, solder paste & drill) that requires some modification to GUI.
The link was in the first note -- but not necessarily obvious as a link: https://github.com/seeul8er/RepPanel_ESP32
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@JohnOCFII Much appreciated!
