SKR MINI E3 V2.0 Firmware Download :https://github.com/bigtreetech
Appearance size: 100.75 * 70.25mm
Power input: DC 12 / 24V
Logic voltage: 3.3V
Motor driver: Onboard TMC2209 UART mode
Motor drive interface: XM, YM, ZAM, ZBM, EM
Temperature sensor interface: TH0, THB, 2 channels 100K NTC (thermal resistance)
Display: TFT2.4 inch TFT3.5 TFT Ender3 original LCD12864 screen, etc.
PC communication interface: mini-USB-B type, easy to plug and unplug, communication baud rate 115200
The Firmware description of motherboard
1. The Firmware Acquisition Method of Motherboard:
Download at our Company Open source website:
2. Motherboard Firmware update method
Choose the file suitable for your model in the downloaded firmware package to copy to SD Card Root directory.
Note: File name cannot be changed, firmware.bin must be lowercase!
Insert SD card into the main board SD card slot, re-energize or press the reset key, wait for about 10S. After that, the update can be completed.
1pc SKR MNI E3 V2.0 motherboard
1pc TFT35 E3 V3.0 Touch Screen
Make sure this fitsby entering your model number.
?【32 Bit High Performance Microprocessor】SKR MIN E3 V2.0 is a silent control board adopts 32 bit ARM level Cortex-M3 series STM32F103RCT6,72MHz frequency Microprocessor, which is designed for ENDER 3 3D printer particularly,a perfect replacement motherboard of the Ender3 printer.
?【Support a variety of Functions】SKR MINI E3 board supports BLTouch, RGB lights, blocking detection, shutdown function.What ’s more,it also supports TFT35 E3 V3.0,TFT35 V3.0,TFT28 V3.0 touch screen,original 12864LCD of Ender 3 printer.
?【Firmware Update】Firstly download firmware of SKR MINI E3 V2.0 motherboard,copy and save it to SD card.firmware must bed reserved ,then re-plug the SD card and wait to 10s.The firmware has been successfully updated.
?【Two Working Modes】TFT35 E3 V3.0 Touch screen support UART serial port screen mode(touch screen mode) and 12864 screen mode, it can replace original display of Ender 3 3D printer.
?【More Extension Ports is Reserved 】TFT35 E3 V3.0 display reserve the extension port of filament breaking detection,automatic shutdown after printing,also WIFI function can be realized by external WIFI module through WIFI port.