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Questions tagged [octopi]

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Why do two identical Creality Ender 3 V2 printers have a center that is 3 mm off from each other and 7 mm off expected and how to calibrate it?

When pushing the limits of the bed size (235x235 mm) for two Creality Ender 3 V2 printers running the same mriscoc firmware and the same config and upgrades. I noticed that despite using the same G-...
Bob Ortiz's user avatar
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Ideal camera position For OctoEverywhere's Gadget AI

I'm trying out OctoEverywhere's Gadget AI print failure detection. It's been working surprisingly well, but I wondered if there was an ideal camera position, image format, or whatever to ensure it ...
TechAlex's user avatar
2 votes
1 answer
299 views

How to migrate OctoPi to new camera stack without reinstall?

The new OctoPi camera stack is reported to be lighter, more efficient, and overall better. Old camera stack sometimes loses access to my camera during print, and only regains it after restart. Thus, ...
Mołot's user avatar
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Is there a way to read the printer LCD screen into OctoPi?

Is there a way to 'read' the LCD screen from a 3D printer as is, using a Raspberry Pi? I'd like to connect the printers LCD screen to my Raspberry Pi to be able to view the screen as is, in OctoPi, in ...
Bob Ortiz's user avatar
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Is there a open-source pretrained TensorFlow Lite model for failed print and spaghetti detection?

I'm considering to use the Coral.AI USB accelerator to add an Edge TPU coprocessor to my Raspberry Pi running OctoPi, enabling high-speed machine learning inferencing using a USB port. It's power ...
Bob Ortiz's user avatar
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0 answers
42 views

Is there a lightweight OctoPi multi-camera implementation?

I've seen and read many videos and articles about a multicamera setup in OctoPi. Most of them including Setting up multiple webcams in OctoPi the right way describe: However, watch your CPU usage as ...
Bob Ortiz's user avatar
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2 votes
1 answer
45 views

Is it safe to use 230 V AC, 10 A relay shield to turn my Prusa MK3S+ on/off using OctoPrint?

Prusa says the MK3S+ draws up to 120 W. So let's say 150 W of inrush current. $$150 W \div 230 V ≈ 0.65 A$$ An order of magnitude less than a typical Raspberry Pi optically isolated relay shield can ...
Mołot's user avatar
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1 vote
1 answer
195 views

How to recover forgotten SSH password in OctoPi?

I have forgotten my OctoPi SSH password. Now I want to install X server and browser for touch UI. How can I recover that password without deleting it all to the ground and reinstalling it?
Mołot's user avatar
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1 vote
1 answer
44 views

Is there a distribution of OctoPrint for Raspberry Pi 4b that's not headless?

I finally managed to get my Raspberry Pi 4b and make it work with a touchscreen. Previously I was using Pi 400 but I want to move to the touchscreen setup. Is there a distro of Octoprint for Raspberry ...
Mołot's user avatar
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1 vote
0 answers
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What are the best light positions and directions to highlight the print and reduce shadow and light reflection on my OctoPi cameras?

I'm setting up multiple cameras; I have two running: one camera moving with the bed (static distance to the print) and one camera on the frame (stationary to the printer). I will add a third camera ...
Bob Ortiz's user avatar
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1 vote
1 answer
173 views

Is there a way to send a thumbnail to the printer LCD screen when printing over USB from OctoPrint?

I'm using Cura Thumbnails using a plugin in Cura 5.5. Also, I use the Marlin-based mriscoc firmware on a Creality Ender 3 V2 with OctoPrint using OctoPi on a Raspberry Pi 4. The firmware supposedly ...
Bob Ortiz's user avatar
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2 votes
2 answers
309 views

How to encrypt the WiFi password in the OctoPi config file?

I recently changed the password of my WiFi and updated the file in the /boot folder of the OctoPrint's OS running on my Raspberry Pi. Yet, it is now in plain text, ...
Myoch's user avatar
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