Lowering the safety margin of MAXTEMP to 10°C and raising MAXTEMP to 285/135.
Resulting in a limit of 275°C for the hotend and 125°C for the heatbed.
Referencing #23
Using TMC2208 in standalone mode, I've inverted the stepper direction to match Anycubics pin layout. M110 memory watcher was removed due to redundancy and - ironically - to save memory.