RepRap change filament while printing RED
Manual change filament on print with GCODE
Firmware Marlin
Controller Sanguinololu with pin upgrade
XY 14 PIN change to 27
pins.h
#define X_ENABLE_PIN 27 // 14
#define Y_ENABLE_PIN 27 // 14
#define Z_ENABLE_PIN 26
#define E0_ENABLE_PIN 14