OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter For Arduino RepRap

3D printer board Marlin firmware installation guide: http://osoyoo.com/?p=1370, pls pay more about attention about the guide and download the correct marlin for the 12864

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