BIGTREETECH Upgrade Ender 3 Motherboard Silent Control Board SKR Mini E3 V2.0 32Bit with TMC2209 UART Stepper Driver 3D Printer Parts for Creality Ender3 (Main Control Chip is STM32F103RCT7)

?????Main Control Chip Features?This new SKR Mini E3 V2.0 motherboard uses the STM32F103RCT7 main control chip, and its industrial temperature range is 40-105°C. ?????CNC Fan?Because the fan on the SKR Mini E3 V2.0 control board is a CNC fan, you need to set the wind speed before using it. (Note: V2.0 version of the fan is not ready to use after power on). ?????After-sales Support?If you encounter any problems, please contact us via Amazon as soon as possible. We have professional technical after-sales personnel to solve your problems; ?????Hot-bed Mosfet?The hot bed MOS tube uses WSK220N04, low on-resistance, larger heat dissipation area, and reduce heat generation. ?????Upgrade Features?Support BLtouch, filament detection, power-off resume, automatic shutdown, etc .; Increase the distance between the driving chip and the components to avoid the trouble caused by the heat sink;