After Sales?If you encounter any problems, please contact us via as soon as possible. We have professional technical after-sales personnel to solve your problems. BLTouch V3.1?BLTouch is an auto leveling sensor for 3D Printers based on open-source.Simple, Smart, High-precision.It could work with any kinds of bed materials, such as glasses, woods, metals, and so on. This kit with 80cm extension wire. Hot-bed Mosfet?The hot bed MOS tube uses WSK220N04, low on-resistance, larger heat dissipation area, and reduce heat generation. 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). Main Control Chip Features?This SKR Mini E3 V2.0 motherboard uses the STM32F103RCT6 main control chip, and its flash memory size is 256K.
