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BUG] (Ramps-fd V1 TMC2130 marlin 2.0.x /TMC CONNECTION ERROR) · Issue #13418 · MarlinFirmware/Marlin · GitHub
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marlin define pins as mega pin #s, not as ramps pin #s · Issue #9055 · MarlinFirmware/Marlin · GitHub | Ramp, Marlin, Arduino
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Diymore Ramps 1.4 Control Panel 3d Printer Control Board Reprap Control Board For Arduino Mega 2560 - Integrated Circuits - AliExpress
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