No
The TFT28 uses D0 and D1 (also known as TX0 and RX0) this is how it sends commands from the TFT28 (its really a small computer) to the ramps
you could potentially use aux4, d16 and d17 are another com port, and you could change marlin from #define SERIAL_PORT 0 to #define SERIAL_PORT 2
but soldering some pins on is going to be a lot simpler!
Edited 1 time(s). Last edit at 10/03/2016 12:31AM by Dust.