BIGTREETECH SKR MINI E3 V3.0 32 Bit Control Board

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Sale price$69.99 CAD

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SKR MINI E3 V3.0 is a motherboard tailored specifically for Ender3 printers, a perfect replacement for original Ender 3 printer motherboards.

v3.0 Updates:

  • Increased SPI output port +3.3V power supply, external SPI sensor power supply voltage +3.3V and +5V optional.
  • PC communication USB interface is changed from Mini USB to Micro USB B, which is more adaptable.
  • Increased the power supply of the SPI output port, support the motherboard to directly supply power to the peripherals.
  • Onboard TMC2209 mute driver UART mode, support mute printing.
  • Increased the thermistor interface protection circuit to prevent burning of the main control chip.


  • Product Size:103.75*70.25mm
  • Board Layer:4
  • Power Input:DC12/24V
  • Logic Voltage:3.3V
  • Motor Driver:UART mode of on-board TMC2209
  • Interfaces Of Motor Driver:XM,YM,ZAM,ZBM,EM
  • Interfaces Of Temperature Sensor:TH0,THB,2-way 100K NTC(RTD)
  • Matched Display Screen:2.4-inch TFT,3.5-inch TFT,Ender3 original LCD12864 screen,etc.
  • PC Communication Interface:USB Micro B type,easy to plug,communication baud rate 115200
  • File Format:G-code
  • Recommended Software:Cura,Simplify 3D,Pronterface,Repetier-host,Makerware
  • Onboard EEPROM:24C32
  • Double Z-axis interface:YES
  • CNC Fan Interfaces:3
  • 5V Power Supply:BL Touch,TFT and RGB interfaces,DCDC5V V1.0 Module
  • Onboard 5V Power Supply
  • Onboard Sensorless Homing Function
  • Support firmware: Marlin, Klipper
  • Support: SD card offline printing
  • Support: online printing
  • Support: SPI, UART expansion, can connect to Raspberry Pi through SPI, UART, USB (Type-C) virtual serial port
  • Support 2 heating rod output (heating rod, hot bed). Support three-way controllable fan output. Support 4-way limit switch.
  • Integrated RGB color light strip drive circuit
  • support:BL touch,filament detection,power-off resume,automatic shutdown(PS-ON),etc
  • Compatible:Ender 3,Ender 3 Pro,Ender 5,CR 10

Instructions and Firmware 

What's in the box:

  • BIGTREETECH SKR Mini E3 V3.0 with integrated TMC2209 stepper drivers
  • USB Cable

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