Motherboard Bigtreetech SKR 3 EZ for 3D printers

Bigtreetech SKR 3 EZ V1.0 motherboard is a 32 bit 3D printer motherboard updated by Shenzhen Biqu Technology Co., Ltd. team for EZ series drivers based on SKR 3 which main advantage is ease and speed of installation, low chance of damage physical due to improper assembly and a low chance of being injured by sharp elements. The board is compatible with both EZ series controllers and the TMC series controllers. The undoubted advantage of the board are the insulation chips that protect the motherboard from burning and the support for WiFi interfaces.

Bigtreetech BTT SKR 3 EZ motherboard for 3D printer.

• Power chip based on TPS5450-5A, which supports DC 12V / 24V power input. The output current of the chip is up to 5A, and the peak value can reach 6A, which supports Raspberry Pi power supply perfectly.
• The fan can be powered with the voltage of 24 V, 12 V or 5 V with the use of an external power supply.
• The appropriate thermistor resistance can be selected using the verse. It supports the PT1000 thermistor without the need for additional modules.
• It supports functions such as resuming printing, filament shortage detection, BLTouch, RGB lighting, etc.
• Built-in EEPROM memory.
• Two types of CAN interfaces are reserved, the USB port and the XH2.54 6Pin terminal interface. USB port is for CAN and USB selection by two-pole bidirectional switch.

• Microprocessor: ARM Cortex-M7 STM32H743VI
• Input voltage: 12 V to 24 V
• Logic voltage: 3.3 V
• Fan interface: three CNC fans
• Expansion interface:
  • BLTouch
  • PS-ON
  • PWR-DET
  • FIL-DET
  • RGB
  • CAN FD
• Supported interfaces:
  • SLEEPS
  • UART
  • STEP / DIR
• Communication with PC: USB type B
• WiFi interface:
  • ESP-12S
  • ESP-07S
  • ESP32
• Supported structures:
  • Cartesian
  • Delta
  • Kossel
  • Ultimaker
  • CoreXY
• Dimensions: 109.7 x 98 mm

Bigtreetech BTT SKR 3 EZ motherboard - bottom.

• Manufacturer's website
• Certificate
• Instruction