Feature: 1. Wide Compatibility: MKS TinyBee is a 3D printer control board with onboard ESP32 wifi. Supports for Marlin 2.0 firmware. In addition to supporting regular LCD2004 and 12864 screens, it also supports MKS MINI12864 V3 and MKS TFT serial port screens. The motherboard can update firmware through USB and connect to the network and web pages through WIFI function to control the 3D printer. 2. Good Performance: The motherboard adopts the ESP32 WROOM 32U module, embedded with a dual core 32 bit high speed MCU, with a clock frequency of up to 240MHz. And integrated with WIFI and Bluetooth modules, the performance is very powerful. 3. Premium Design: ESP32 WROOM 32U with 8M Flash, built in ESP32 DOWD V3 chip, Xtensa dual core, 32 bit LX6 microprocessor, supporting clock frequency, up to 240 MHz, 8192KBytes FLASH, 520KBytes RAM. 4. Large Memory: In addition, the module is equipped with an 8 megabyte Flash storage chip, providing effective protection for more application scenarios. 5. Easy to Install: Comes with a compact size and a light weight as well, the 3D printer control board is very convenient to install within minutes. Specification: Item Type: 3D Printer Control Board Material: PCB Model: MKS TinyBee V1.0 MCU: ESP32-WROOM-32U MCU Frequency: 240MHz Memory: 520K Input Power Supply: DC 12~24V, <20A Heater: 2pcs heater end and 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 or DIR Moode Drive Signal: Supports 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: Supports Power Protection: Supports 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 Memory Card: Shipped without memory card. . Package List: 1 x 3D Printer Control Board1 x USB Cable