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troubleshooting - How to test Arduino Mega, RAMPS 1.4 and Full Graphic Smart Controller LCD? - 3D Printing Stack Exchange
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what are the various pins used for reprap full graphic smart controller lcd +sd card · Issue #10640 · MarlinFirmware/Marlin · GitHub
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RepRap Discount Full Graphic Smart Controller (LCD + SD card) for RAMPS 1.4 to any 3D printer - YouTube
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