Note The chip firmware configuration of the new version of 407ZE is different, please see the instructions on github for details. STM32F407ZE can supports Marlin Klipper,but 512KB flash not enough & there is no customized version for RepRapFirmware. BTT OCTOPUS V1.1 Data: About the use of PITFT50 and Octopus board: When the Octopus board is paired with PITFT50 screen, it needs to be connected to the Raspberry Pi for normal use. About options: 1.Option "Only the Board": 1PC BTT OCTOPUS 2.Option "With TMCxxxx": 1PC BTT OCTOPUS + 8PCS TMC Drivers 3.Option "With 12864 TMC2209": 1PC BTT OCTOPUS + 1PC MINI12864 Screen + 8PCS TMC2209 4.Option "With PITFT50 TMC2209": 1PC BTT OCTOPUS + 1PC PITFT50 Screen + 8PCS TMC2209 Features: 1.32Bit, 180MHz, STM32F446ZET6 2.Firmware Support: Marlin, Klipper 3.Fan Interface: 6 CNC fans, 2 normally open fans 4.Support Display: BIGTREETECH TFT,LCD12864,LCD2004,etc 5.Adopt Type-C interface, support online printing. 6.Reserve a dual Z-axis printer. 7.Support DFU to update the firmware. 8.Thermistor leakage protection. 9.Onboard EEPROM (AT24C32). 10.Reserve PT100 module interface. 11.Support to connect to Raspberry Pi. 12.Support U disk function, I²C expansion.

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