SKR 3 EZ Bigtreetech Control Board is a compact, high‑performance 32‑bit controller for 3D printers. It runs on the STM32H743VIT6 processor, supports 12–24V input, and EZ driver technology with various stepper drivers for quiet operation. Key features include 24C32 EEPROM, three fan ports, dual Z‑axis support, USB‑C connectivity, ESP‑07S Wi‑Fi socket compatibility, robust heat dissipation with large heatsinks, Marlin firmware readiness, and a push‑pull SD card slot.
- 32-bit ARM Cortex-M7 STM32H743VIT6 processor
- 12–24V DC input support
- EZ Driver Technology for tool-free driver installation and TMC compatibility
- Onboard 24C32 EEPROM
- Three controllable fan ports
- Dual Z-axis support
- USB-C connectivity and ESP-07S Wi‑Fi socket compatibility
- Marlin firmware ready with robust heat dissipation via large heatsinks