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After uploading, you can go on to the next step. If you cannot upload, check the dialog box below to
identify the problem and solve it. The common mistakes are the wrong select of type of board or
serial port etc.
4 Get Started
GT2560 is the CPU of a 3D printer, manipulating the whole process of printing. GT2560 can’t be
put in use directly without uploading firmware.
1. Firmware uploading- marlin.
2. Setting parameters of the firmware
The parameters that need setting are as below, for those not mentioned just leave them as default.
#define BAUDRATE 250000
This parameter is for the baud rate of serial port. Note: a successful communication can be realized
only when the Baud rate of upper computer is identical with that of Firmware. The Baud rate is not
set in random. The common Baud rate are: 2400，9600，19200，38400，57600，115200，250000.
The last three are frequently used for 3D Printer.
#define MOTHERBOARD 7
This parameter is set for board type. 3D Printer has many types of main board, and the settings of
IOs are different, therefore, the parameter has to correspond to the type of your board, or it can’t
operate normally. The parameter of GT2560 should be 7(single- nozzle). For other board, you can
refer to the annotation on the board.
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