I was recently upgrading a Tronxy P802M printer when I melted one of the bed heater wires on the crappy Melzi 2.0 board it came with. I used BIGTREETECH SKR V1.3, BIGTREETECH TMC2209 driver and BIGTREETECH TFT35 V3.0 touch screen. The instructions available aren't very clear, but thanks to the power of the YouTube tutorials, I was able to get mine fully working. Love it and bought another full install for my second Tronxy printer.
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