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.