When installing and configuring OpenWRT, I also downloaded the last version of the Archer C7 official firmware image provided by TP-Link and decided to analyze it. I prefer to trust on a well maintained and open-source software project like OpenWRT. Why? Because the manufacturer’s firmware quality is usually bad, are not maintained over time and is insecure, with many bugs waiting to be exploited. One thing I always do when I buy a new router is install OpenWRT. Not one of the best, but good enough for my needs. I’ve bought the TP-Link Archer C7 home router. This should resolve the problem with USB connections on the SKR Mini E3 board.A few days ago I decided to reverse engineer my router’s firmware image with binwalk. Save the changes to the file and restart the Cura software.
Once booted, it will sit at a blue screen for 15-20 seconds. Power on the 3D Printer with the SD card loaded.Copy the file to the SD card included with the board.Rename the file to firmware.bin if it differs.Download the desired firmware BIN file to your computer.For most users, we recommend the standard firmware.bin file. BIN files are named accordingly and should be selected based on your needs. Two are intended for use with BLTouch Auto Bed Leveling sensors, the third is for Ender-3 3D Printers that use the stock Z endstop switch. There are (3) versions of the Marlin 2.0 firmware available for download. SKR Mini E3 V2 Marlin 2.0 Firmware Firmware Update Instructions We do however recommend updating your firmware to the latest version, which has been pre-compiled and published on the BIGTREETECH Github page. This is actively maintained by their developers, who commit updates as needed. This comes pre-loaded on the SD card and can be used immediately following installation.
The BIGTREETECH SKR Mini E3 V2 Board includes a working build of Marlin 2.0.x firmware for the Creality Ender-3.