BIGTREETECH SKR Mini E3 V3.0 Motherboard
32-Bit 3D Printer Control Board with Onboard TMC2209 🖨️⚙️
Overview
The SKR Mini E3 V3.0 is a 32-bit control board purpose-built as a direct replacement for original Ender 3 series printer motherboards. Featuring onboard TMC2209 silent drivers in UART mode, this board delivers quiet, smooth printing performance with improved thermal design and expanded connectivity.
Key Features🔇 Silent Printing
Onboard TMC2209 UART mode drivers for whisper-quiet stepper motor operation.
🌡️ Enhanced Protection
Thermistor interface protection circuit prevents damage to the main control chip.
🔌 Improved Connectivity
Micro USB B port replaces Mini USB for better cable compatibility, plus +3.3V/+5V selectable SPI output power.
🖥️ Multi-Screen Support
Compatible with 2.4" TFT, 3.5" TFT, and original Ender 3 LCD12864 displays.
SpecificationsBoard Size103.75 x 70.25mmBoard Layers4-Layer PCBMCUARM Cortex-M0+ STM32G0B1RET6 / STM32G0B0RET6Power InputDC 12V / 24VLogic Voltage3.3VMotor DriverOnboard TMC2209 (UART Mode)Motor InterfacesX, Y, Dual Z (ZA/ZB), ExtruderTemperature Sensors2-way 100K NTC (TH0, THB)Firmware SupportMarlin, KlipperCommunicationMicro USB, 115200 baudCooling Fans3 CNC Fan InterfacesEEPROMOnboard 24C32Compatibility
Designed for Ender 3, Ender 3 Pro, Ender 5, and CR-10 printers. Supports BLTouch, filament runout sensor, power-loss recovery, automatic shutdown, SD card offline printing, and RGB lighting.
Package Contents
1 x SKR Mini E3 V3.0 Motherboard (variant as selected — cable, TFT screen, or probe options available). SD card shown in photos is for illustration only and is not included.
Product ImagesFAQIs this compatible with my Ender 3?
Yes, this board is designed as a direct replacement for Ender 3, Ender 3 Pro, Ender 5, and CR-10 printers.
Does it support silent printing?
Yes, the onboard TMC2209 drivers in UART mode provide quiet stepper motor operation.
Which MCU chip will I receive?
Boards ship randomly with either the STM32G0B0RET6 or STM32G0B1RET6 chip — both offer identical functionality.
Is an SD card included?
No, the SD/TF card shown in photos is for illustration purposes only and is not included.
