[32 Bit High Performance Microprocessor]SKR MIN E3 V2.0 is a silent control board adopts 32 bit ARM level Cortex-M3 series STM32F103RCT6,72MHz frequency Microprocessor, which is designed for ENDER 3 3D printer particularly,a perfect replacement motherboard of the Ender3 printer.[Support a variety of Functions]SKR MINI E3 board supports BLTouch, RGB lights, blocking detection, shutdown function.What 's more,it also supports TFT35 E3 V3.0,TFT35 V3.0,TFT28 V3.0 touch screen, 12864LCD of Ender 3 printer.[Firmware Update]Firstly download firmware of SKR MINI E3 V2.0 motherboard,copy and save it to SD card.firmware must bed reserved ,then re-plug the SD card and wait to 10s.The firmware has been successfully updated.[Ultra-Silent TMC2209 V1.2 Driver]Integrating with TMC2209 Ultra-silent motor driver,use StealthChop2 ultra-quiet technology which reduce stepper sound,super quiet and smooth.[Advantages of using TMC2209 Drivers]TMC2209 drivers with excellent heat dissipation,it can lower the temperature when drive is working.Also, it can prevent the motor from shaking as well as it is difficult to lose steps.Colour:blackMaterial:plasticPackage Contents:1 * SKR Mini E3 V2.0 32Bit Control Board1 * cable(Some accessories are random, do not accept designation)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.