Review on BIGTREETECH SKR 3 EZ Control Board 32Bit New Upgrade Silent Board Support EZ2209/ EZ5160/ EZ2130 Stepper Driver Compatible TFT Series Touch Screen, DIY For Most FDM 3D Printer (With 5PCS EZ2209) by Alexander Roberson

So currently I have a pile of non-working BTT boards I've managed to somehow halt their functionality. You can say that I'm a bit of an expert with their entire fleet offerings, and have spent some extensive time getting to know their customer support team.The SKR2 was my kind of final effort to get my Ender 3 up and running again. My machine is so heavily modified it just won't pair with the OEM Creality boards any longer which I used to revert to in case of fire. I've dug myself into quite the hole here, kinda like 3D printing yourself into a corner (anyone who has printed too many mission critical upgrades with no backups knows what I'm talking about).Like the SKR 1.4 and SKR-E3-DIP before it, I had little to no luck getting the SKR2 working on a basic level. Mostly due to stepper motor drivers and endstops acting absolutely haywire. Using 2209s from BTT all brand new for this new setup, I was met with frustration for days. I'm no novice here when it comes to Marlin either, and have built their firmware 1000's of times for this one printer. On the point of Marlin, I don't think BTT can be blamed for all the issues people are experiencing since Marlin itself is still very developing and can be volatile from day to day in the bugfix branch, so that always has to be factored for sporadic behavior.The first SKR2 smoked on me during homing and I don't know what happened really besides the smoke came from the Y-Axis stepper driver DIAG pin area. I think the board was still responsive but I was ready to exchange it because maybe a bad apple. 2nd board arrives and while no smoke this time, it did not like my BLTouch, no matter how I had it hooked up or setup in firmware. I do believe my BLTouch was somehow damaged by the board because it doesn't work now on my ONLY working board (MKS Robin-E3) which has a broken USB port. so no serial.Returned both boards unfortunately. I hate to give up it's not in my natural flow with technology, but I can't digest the idea of tossing down another $45-$55 for a board from BTT anymore. The options are slim especially in the locally available boards for 3D printing, but I think maybe it's time I try RepRap on a Duet (Uuuuuhghhghg) or order another Makerbase board from overseas.BTT Board Kill Count:SKR-E3-DIP: 1SKR-Mini-E3 2.0: 3SKR-1.4 Turbo: 1SKR-E3-Turbo: 2SKR2: 2