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Custom Marlin firmware for Anycubic Mega Zero

Supported Hardware

• Stock Anycubic Mega Zero motherboard (melzi clone, ATmega1284p based)
• BigTreeTech SKR mini MZ 1.0
• BigTreeTech SKR mini E3 V2.0

Supported features

• Manual and automatic bed leveling
• Simple and Smart Filament sensors
• Only in SKR nano build variants:
  • BTT UPS module
  • BTT Relay Module v1.2

Note: see build variants for details

Installing firmware

Stock motherboard, required USB connection for flashing new firmware

• Most recommended way: Build and install from sources
• Simplest way: use OctoPrint Firwmare Update plugin if you are using OctoPrint.
• Flashing binary firmware:
  • Linux
  • MacOS X
  • Windows

BTT SKR mini MZ and E3 boards, via microSD card

• Pre-built Binary
  • Download to microSD card from release page according to your needed feature set. Example: anycubic_mega_zero_btt_bed_bl_zmin-firmware.bin
• Build from source
  • Compiled binary located in .pio/build/anycubic_mega_zero_btt_xxx/anycubic_mega_zero_btt_xxx-firmware.bin
• Copy firmware file to microSD card
• Rename file on microSD card to firmware.bin
• Power cycle your printer with microSD card inserted
• Firmware will be updated and printer will reboot