Features:100% brand new and high qualityNew ID design upgradeG0 series MCU- STM32G0B1RET6Heat sink design upgrade, increase the heat dissipation area, greatly improve the heat dissipation performanceIncrease the fan that can control the heat dissipation of the device to lower the temperature of the deviceIncrease the thermistor interface protection circuit to prevent burning of the master control chip Package Includes:1 Set MotherBoard Specifications:Appearance Size: Approx. 103.75x70.25mm/4.08x2.77 inchesLayer: 4 layersMCU: ARM Cortex-M 0+STM32G0B1RET 6Power input: DC12/24VLogic voltage: 3.3VMotor driver: UART mode of onboard TMC 2209Motor drive interface: XM, Z BM, EMTemperature sensor interface: THO, 2 channels 100KNTC (thermal resistance)Adapted display: 2.4-inch TFT, 3.5-inch TFT, Ender 3 original LCD 12864 screen, etc.PC communication interface: USB MicroB type, easy to plug and unplug, communication baud rate 115200Support file format: G-codeRecommended software: Simplify 3D, pro nterface, Repe tier-host, Maker ware note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.