v1.1

Improvements:

• Change 5V regulator from LT1933 to AOZ1282.
  • Higher peak efficiency (95% vs 87%)
  • Higher maximum output current (1.2A vs 0.6A)
• Thicken traces / pours relating to heated bed output
• Increase spacing around ISP2 and EXP3 headers for easier access
• Change stepper motor wire labels to match more common cable colours
• Change stepper driver micro-stepping DIP-switch orientations to be more intuitive

Fixes:

• Correct DTR pin for USB comms on ATmega16U2
• Update all screw holes to be uniform, previously were slightly differing sizes
• Correct D8 footprint to correct footprint for MURS320 as per BOM