Bigtreetech SKR 3
Product code:
biq_0018
Powerful Bigtreetech SKR 3 Mainboard
32-bit microcontroller STM32H743VIT with ARM Cortex-M7 core.
Integrated universal modular WiFi port compatible with RRF firmware.
The board supports stepper drivers:
TMC5160, TMC2209, ST820, TMC2208, TMC2226, TMC2130, TMC2225, LV8729, DRV8825, A4988.
High-performance MOSFET with excellent heat dissipation.
The board includes all essential connectors for 3D printers, including WiFi, USB, and CAN for multi-device connectivity.
🇬🇧 Additional Specifications – Bigtreetech SKR 3 (32bit)
| Parameter | Value |
|---|---|
| Input Voltage | 12 V – 24 V DC |
| Firmware | Marlin, Klipper |
| Logic Voltage | 3.3 V |
| Microcontroller | STM32H743VIT6 |
| Core | ARM Cortex-M7 |
| Clock Speed | 480 MHz |
| WiFi Interface | ESP-12s, ESP-07s, ESP32 |
| Driver Slots | X, Y, Z (dual Z), E0, E1 – five-slot |
| Heating Outputs | HeatBreak, Heater (E0, E1) |
| Driver Modes | SPI, UART, STEP/DIR |
| Communication | USB Type-B, microSD slot |
| Display Support | Serial touchscreen, SPI touchscreen, LCD |
| File Format | G-CODE |
| Expansion Ports | Servos, Probe, PS-ON, PWR-DET, Fil-DET, CAN FD |
| Recommended Software | Cura, Simplify3D, Pronterface, Repetier-Host, Makeware |
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