1）ARM Cortex-M3 series STM32F207VCT6 chip with 32-bit CPU 120MHz; Upgrade the firmware by SD card. It is easy and convenient to operate.
2）This display board has higher compatibility. Users can select two work modes:UART serial port screen mode and 12864 screen mode;Serial port screen mode supports two printing modes: SD card and U disk.
3）Reserve WIFI port, and WIFI function is realized by external WIFI module；Reserve the extension port of filament breaking detection (FIL-DET)；
4）Reserve the extension port of automatic shutdown after printing (PS-ON);
5）LCD12864 mode uses EXP1, EXP2 and EXP3. EXP1 and EXP2 are LCD screen ports of normal motherboard. EXP3 is the LCD interface used by E3 series motherboard (such as SKR MINI E3 V1.2, SKR E3 DIP V1.1, etc.)