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- Mon Apr 30, 2018 5:28 am
- Forum: Control Board
- Topic: GT2560 SPI pins for TMC2130
- Replies: 20
- Views: 54573
Re: GT2560 SPI pins for TMC2130
Looking through the board schematic, it looks like you may also be able to sacrifice the E1 stepper driver to gain 3 more available I/O pins, but I don't know enough about the ATMega chip to know for sure. The pins on the schematic are labeled in the current (1.1.8) Marlin firmware pins_GT2560_REV_A...