3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Noob with a Biqu B1 and BLTouch (self.3dprinting)

submitted 4 months ago by UncleStewart to c/[email protected]

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I've bought myself a used Biqu B1 with a BLTouch for a fair price. The seller said that he never got the BLTouch working. Now I`m trying to get the auto leveling to work, but every tutorial and video shows the ABL option in the menu, but i do not have that option. The BLTouch is connected as every video and instruction manual shows, the sensor has flipped down a couple of times so that too is working, and the red led-light i always on. Other menu-guides shown in different internet tutorials also shows minor menu variations from my printer.

Some useful info: System: Marlin 2.1.1 Board: Bigtreetech_TFT35_B1_V3.0 Firmware: TFT35_B1_V3.0.26.x Me: Complete noob with no knowledge of 3D printing lingo

What should be done to get the ABL option in my menu?

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[–] UncleStewart 1 points 4 months ago

Thanks for answering. I've been looking at Bigtreetech's GitHub and under Firmware the readme.md states that the newest firmware is "Marlin 2.0.6 (Jan 25 2021 13:43:58)", this is older than my 2.1.1. The folder structure under are made with dates as folder names. There is a folder newer than the newest firmware stated in the readme.md. But there is no version number, just firmware.bin in folders named SKR 2-F407, SKR 2-F429 and SKR V1.4. I don't even know what motherboard i have.. On https://marlinfw.org/ they say that the current release is 2.1.2.4. Pretty close to mine, but I'm missing the last digit. So I assume the firmware on my printer is self compiled. I've watched some videos on how to compile my self, but I'm afraid that with my noob-knowledge i could brick the printer.