BIGTREETECH-SKR Mini E3 V30 Motherboard With TMC2209 UART VS SKR 2 3D Printer Mainboard for Ender 3 Ender 5 Pro CR _x000D_ Features: _x000D_ new and high quality_x000D_ New ID design upgrade_x000D_ G0 series MCU- STM32G0B1RET6_x000D_ Heat sink design upgrade, increase the heat dissipation area, greatly improve the heat dissipation performance_x000D_ Increase the fan that can control the heat dissipation of the device to lower the temperature of the device_x000D_ Increase the thermistor interface for protection circuit to prevent burning of the master control chip_x000D_ _x000D_ _x000D_ Specifications: _x000D_ Appearance Size: Approx. 103.75x70.25mm/4.08x2.77 inches_x000D_ Layer: 4 layers_x000D_ MCU: ARM Cortex-M 0+STM32G0B1RET 6_x000D_ Power input: DC12/24V_x000D_ Logic voltage: 3.3V_x000D_ Motor driver: UART mode of onboard TMC 2209_x000D_ Motor drive interface: XM, Z BM, EM_x000D_ Temperature sensor interface: THO, 2 channels 100KNTC (thermal resistance)_x000D_ Adapted display: 2.4-inch TFT, 3.5-inch TFT, Ender 3 original LCD 12864 screen, etc._x000D_ PC communication interface: USB MicroB type, easy to plug and unplug, communication baud rate 115200_x000D_ Support file format: G-code_x000D_ Recommended software: Simplify 3D, pro nterface, Repe tier-host, Maker ware_x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 Set MotherBoard_x000D_ _x000D_ _x000D_ Note: _x000D_ 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. _x000D_ 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_