Board connect

• MKS TFT series connect robin e3 or e3d by AUX-1

Firmware setting

• Setting in configuration.h file
  • SERIAL_PORT to -1
  • SERIAL_PORT_2 to 1, because Robin e3 and e3d AUX-1 use STM32 USART1
  • Setting BAUDRATE 250000, must be settings are the same as MKS TFT