Feature:1. SUPPORT SCREENS: The 3D printer main control board supports for Marlin 2.0 firmware, supports regular LCD2004 and 12864 screen, as well as for MKS MINI12864 V3 and for MKS TFT serial port screen.2. USB FIRMWARE UPDATE: The motherboard can update firmware through the USB data cable and connect to the network and web pages through WIFI function to control the 3D printer.3. GOOD PERFORMANCE: Adopting for ESP32DOWDV3 chip, for Xtensa dual core, 32 bit LX6 microprocessor, support clock frequency up to 240MHz, integrated with WIFI and Bluetooth modules.4. WITH STORAGE CHIP: The 3D printer control motherboard has built in 8M byte Flash storage chip, with 520KBytes of memory, providing effective protection for more application scenarios.5. DRIVER AND HEAT SINK: Equipped with 5pcs TMC2209 stepper motor drivers and heat sinks, aimed at improving the performance of the control board and preventing overheating, easy to grip and control.Specification:Item Type: 3D Printer Control BoardMaterial: PCBMotherboard Model: For MKS TinyBee V1.0MCU: For ESP32-WROOM-32UMCU Frequency: 240MHzMemory: 520KInput Power Supply: DC12-24V <20AHeater: 2 Heater Ends + 1 Heater BedTemperature ADC: 3 NTC100K: TH1, TB, TH2 (requires jumper selection)Motor Interface: 5 Axes 6 Motor Interface (dual Z axes parallel connection)Step Drive Mode: STEP DIR ModeDrive Signal: Support External High Current DriveSubdivision Settings: Dial SwitchLCD Interface: Supports LCD 2004/12864, MKS MINI12864 V3Serial Port: MKS TFT series screen reserved USART2End Stop: X, Y, Z, MT DET3D Touch Control: SupportPower Protection: Support power reverse protection and power peak protectionMotor Back Electromotive Force: Can be absorbed by phase sequence resistance to protect stepper driversFirmware: For Marlin2.0.XFirmware Update Method: USB Drive UploadMicro Memory Card: Not IncludedTMC2209 Driver Parameter: Maximum Output Current: 2.5ADefault Current: 1.25AMicro Step: Up to 1/256Configuration: STEP DIR or UARTLoad Driving Voltage Range: 5.5-28VIC Logic Working Voltage: 3.3V/5V.Package List:1 x Control Board1 x USB Data Cable5 x Stepper Motor Driver5 x Heat Sink