INFORMATION TECHNOLOGY

Information technology, softwares and articles.

OctoPrint + Docker: USB devices hot plugging

One of the drawbacks of using OctoPrint in the default Docker Container is that the printer must be connected and operational for the container to start. This issue can affect the operation of useful plugins like PSU Control.

Fortunately there is a way to enable serial device hot plugging in a Docker container. It is practical if you are running few printers/containers.

The following instructions were written for 3D printers but the logic could be applied to any serial device and any type of container (HomeAssistant, Zigbee2MQTT, etc...).

I can compile Marlin firmware for you

If you don't have the tools or are having difficulties to compile the firmware for your printer (any printer) I can do it for you for a small fee. Please read the description of the service below and if you are interested, follow the instructions.

Please note that I am not doing this as my main occupation, it is just a convenience service from a guy that did this hundreds of times. Anyone can download and compile Marlin by following tutorials available everywhere.

Pre-configured Marlin for SKR Mini E3 v2 on Ender 3

This is pre-configured package for the 2.x Marlin Firmware for SKR Mini v2 boards on Creality Ender 3. The configuration files were specially crafted to extract the maximum performance of the printer while maintaining the manufacturer recommended settings. The download packages include both the source code and the compiled binary files.

This firmware will not work with 8-bit boards or Creality 32-bit boards.

Features

Extra features enabled over the standard Marlin firmware configuration.

Install linux on an external drive without modifying Windows EFI partition

Live Linux USB drives are nice for testing purposes and with the new persistence modes they can also remember a few things between sessions. Unfortunately some features like the ability to update the OS or install drivers can only be accomplished with a full Linux installation.

Vanilla Marlin Firmware for Ender 3 (8-bit) + Mesh bed leveling

 

This is the 1.1.9 version of vanilla Marlin Firmware pre-configured for Creality Ender 3 printers without bed leveling sensors. The standard configuration file from Marlin distribution was carefully reviewed to include the latest Ender 3 specific settings from the official Creality firmware and incorporates additional features like Mesh Bed leveling.

Fix for RTX Graphics Cards rebooting Dell XPS 8700

Symptons: NVidia RTX 2060, 2070 and 2080 cards cause random reboots in Dell XPS 8700 computers on low demmaning softwares like browsers or 3D viewers.

Solution: Disable PCI Express Link State Power Management

  1. Click on the Start Menu and then type "Power Options" to open the app with the green battery icon.
  2. Select "Change plan settings" for your current power scheme
  3. Select "Change advanced power settings"
  4. Disable the PCI Express link state power management.

Notes: