S6 V2.0 32 Bit Board XH Connector Control Board Support 6X TMC Drivers Uart/SPI Flying Wire VS F6 V1.3 SKR V1.3     Feature : Based on STM32F446 180Mhz，all IOs can withstand 5V voltage   6 TMC stepper drivers support, no need wire Uart/SPI   Improved TMC jumper settings ，simpler and easier to understand   Main power reverse protection circuit，safer   28V input max，12V@5A，5V@2ADC-DC circuit，3.3V@0.6A LDO   Two car fuses for hot bed input and main power input   Limit switch socket 24V/5V/3.3V optional, ready for more other equipment, such as inductive sensor, BL-Touch   XH connector and MX connector are optional   3pin temperature header, you can use thermistor or thermocouple (requires AD597 module)   3 ways PWM fans ，2 ways RGB led ，12V & 24V optional   EXP1 & EXP2 have more multiplexing functions, such as USART, I2C, CAN   SD card & USB upload support   Package listing:   XH Connector type 1x  S6 V1.2 1x USB 1set  Jumper