I am very satisfied with this product. I ordered from 3D Printer Universe and received the latest version (V3.1). It is verified with "real" ANTCLABS verification - no one knows how strict their verification is, but I did my part to support the manufacturers of this device and made sure I bought from one of their authorized resellers that are listed on their website (I just pick the first one listed.) I printed out the bracket ahead of time and was able to get it up and running in less than half an hour. If you're using Marlin, there are plenty of video tutorials available, but check out the firmware page on GitHub as it's the most up-to-date. I use it with SKR V1.3 board and Marlin 2 firmware with no problems. Also, be sure to check the board layout before connecting as you may need to rearrange the wires after the connector. All in all, this was a great little product. You'll still have to "level" your bed manually, but that takes a lot of guesswork (and reconfiguration!). Routine on 4x4 or 5x5.
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