1、For TinyBee: A 3D printer main control board for onboard ESP32 wifi. Supports for Marlin 2.0 firmware. In addition to supporting regular LCD2004 and 12864 screens, it also supports for MINI12864 V3 and for 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、ESP32 WROOM 32U (8M FLASH): Built in ESP32 DOWD V3 chip, Xtensa dual core, 32 bit LX6 microprocessor, supporting clock frequency, up to 240 MHz, FLASH is 8192KBytes, RAM is 520KBytes. 3、EXCELLENT 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 BT modules, the performance is very powerful. 4、For MINI 12864 V3.0 STORAGE CARD SIDE MOUNT: Smart screen display with RGB backlight. It allows for online changes in light color. At the same time, it supports various types of firmware such as for Robin for Nano v2, for sgen IV1V2, for Gen loMarlin 2. x, for Klipper, etc. Equipped with an encoder, it can achieve parameter adjustment and file selection printing. Plug and play on for RAMPS, but firmware support needs to be modified. 5、WITH STORAGE CHIP: The module is equipped with an 8 megabyte Flash storage chip, providing effective protection for more application scenarios. Item Type: 3D Printer Control Board Material: PCB Motherboard Model: for TinyBee V1.0 MCU: 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 Moode Drive Signal: Supports external high current drive Subdivision Settings: Dial switch LCD Interface: Supports LCD 2004, 12864, for  MINI12864 V3 Serial Port: for  TFT series screen reserved for USART2 End Stop: X, Y, Z, MT DET 3D Touch: Support Power Protection: Supports power reverse protection and power peak protection Motor Back Electromotive Force: Can be absorbed by phase sequence resistance to defend stepper drivers Firmware: For Marlin2.0. X Firmware Update Method: USB drive upload Memory Card: Shipped without memory card for Mini12864 V3.0 LCD Graphic Intelligent Screen Mode: for  Mini 12864 V3 Material: PCB Logic Level: Supports 3.3V and 5V logic inputs Backlight Mode: RGB adjustable backlit Backlight Adjustment: Light, Light preset (MT) Applicable Firmware: For Marlin 2.0, for Klipper Applicable Motherboards: For for  Robin for Nano V2, for SgenlV1, v2, for Genl, for Robin E3 Features: Use the built in storage card slot. Compatible with both 3.3V and 5V logic signals. Supports for Gcode backlit settings, such as for M150 for R100 for G100 for U100. Supports for Robin for Nano V2, for Sgen IV1, Sgen V2, for GenI, for Robin E3. The for MINI 12864 V3 intelligent monitor has RGB backlit and supports online backlit color change through LCD. Support color changes in different states during the printing process. SPI communication with the host microcontroller. Supports for Klipper Marlin 2.0 firmware. TMC2209 Stepper Motor Driver: Mode: TMC2209 V2.0 Material: PCB, Aluminum Alloy Microsteps: 256 subdivisions Drive Current: 2.8A Configuration: STEP, DIR or UART Default Factory Current: 0.85A Load Driven Motor Voltage: 5.5-28V IC Logic Working Voltage: 3-5 V Product Application: Various 3D main control boards Recommended Current: Not greater than 1.7A 1 x for TinyBee Control Board 1 x USB Data Cable 1 x Display Screen for MINI 12864 V3 Storage Card Side Board 2 x 10 Pin Color Flat Cable 5 x TMC2209 Stepper Motor Driver 5 x Drive Heat Sink