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joplin-mdbooks-website/content/maker-things/installing-bltouch-compatible-firmware-onto-the-twotrees-sapphire-pro.md
Stavros Korokithakis 17e041f2d1
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2023-05-29 16:31:04 +03:00

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Installing BLTouch-compatible firmware onto the TwoTrees Sapphire Pro

I installed a BLTouch/3D Touch probe onto my TwoTrees Sapphire Pro, and configuring the firmware was a bit involved. The Sapphire Pro has a MKS Robin Nano v1.2 board. Here's the process:

  • Clone the Marlin repo from GitHub.
  • Download the configurations.
  • Check out the 2.1 branch (the configurations seem to be tailored to it and I couldn't be bothered changing).
  • Replace the Configuration.h and Configuration_adv.h files with the ones from the configurations zip.
  • Uncomment the SPRO_BLTOUCH define.
  • I also changed my dimensions to X_BED_SIZE 230 and Y_BED_SIZE 225, for a more realistic bed size.
  • Enable Universal Bed Leveling (replace the AUTO_BED_LEVELING_BILINEAR define with AUTO_BED_LEVELING_UBL), as Bilinear was terrible for me.
  • You can also enable the Repeatability Test command with Z_MIN_PROBE_REPEATABILITY_TEST.
  • Build with pio run -e mks_robin_nano35.
  • Copy .pio/build/mks_robin_nano35/Robin_nano35.bin to a FAT32-formatted (important) SD card.
  • Insert the card into the printer and turn it on.
  • Done!

Last updated on May 29, 2023. For any questions/feedback, email me at hi@stavros.io.