Review on 🔌 BIGTREETECH TMC2209 TMC2208 Integrated Control Board by Doug Virden

. exit, etc.). According to the promotional copy, this mb can and does work in Ender 5. Out of the four or five available Ender 5 firmware updates, at least four are listed with compilation errors. As advertised, I've tried these versions with no success. I've read that "some" users have had success BUT none of them claim their MB is version 2, NOR say where they got their software from. The biggest problem I've had, besides NOT PRINTING, is that when I try to return to the Z-axis, the bed moves up to hit the nozzle, stops, and then just gradually falls away. I can turn on the Z axis limit switch and the descent stops. The manual motion commands for each axis work correctly, including Z. I've been earnestly trying to print even a bed-level test pattern for almost 10 hours to no avail. I hope SOMEONE will come up with a usable firmware, but it doesn't look like the manufacturer will. Until then, be vigilant. I reverted to the original configuration. It was a waste of time and money! Edit Update: I've decided to leave the touchscreen installed until the correct firmware for the control board is available. The display worked fine in 12864 mode for a day or two. NOW after printing has started the display will clear after a few minutes and then you will see two icons for Marlin and Touch mode. When I select the Marlin symbol (12864) the display reverts briefly to the original Ender display and then reverts to the two symbol screen. Selecting the touch icon leaves only a smudge on the screen. I REALLY doubt this purchase and am postponing it until a firmware update is available. I tend to RETURN. I deducted a star because of this new issue. Also, I failed to mention that the Mini 3's connector pins aren't long enough to securely attach the BL Touch's 3-pin connector. This issue did not occur when using the probe adapter on the original Ender 5 controller board.