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 ESP32‑DOWD‑V3 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 Board Material: PCB Motherboard Model: For MKS TinyBee V1.0 MCU: For ESP32-WROOM-32U MCU Frequency: 240MHz Memory: 520K Input Power Supply: DC12-24V <20A Heater: 2 Heater Ends + 1 Heater Bed Temperature 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 Mode Drive Signal: Support External High Current Drive Subdivision Settings: Dial Switch LCD Interface: Supports LCD 2004/12864, MKS MINI12864 V3 Serial Port: MKS TFT series screen reserved USART2 End Stop: X, Y, Z, MT DET 3D Touch Control: Support Power Protection: Support power reverse protection and power peak protection Motor Back Electromotive Force: Can be absorbed by phase sequence resistance to protect stepper drivers Firmware: For Marlin2.0.X Firmware Update Method: USB Drive Upload Micro Memory Card: Not Included TMC2209 Driver Parameter: Maximum Output Current: 2.5A Default Current: 1.25A Micro Step: Up to 1/256 Configuration: STEP DIR or UART Load Driving Voltage Range: 5.5-28V IC Logic Working Voltage: 3.3V/5V. Package List: 1 x Control Board 1 x USB Data Cable 5 x Stepper Motor Driver5 x Heat Sink