




Note 1:
If the SKR 3 motherboard used with EZ series driver, you need to match the EZ-Driver Connector
Introduction
BIGTREETECH SKR 3 is a 32-bit motherboard designed for 3D printer, which launched by 3D printing team of Shenzhen Big Tree Technology Co., Ltd. It is upgrade of SKR V1.4/Turbo.
Features
1) 32-bit 480MHz ARM-class Cortex-M7 series main control chip STM32H743VIT6,
32-bit 550MHz ARM-class Cortex-M7 series main control chip STM32H723VGT6, with better performance.
2) With power supply chip TPS5450-5A, DC12/24V power input, output current up to 5A/6A, perfect power supply for Raspberry Pi
3) With resume printing, filament break detection, auto shut down, BLtouch, RGB light and other functions.
4) On-board EEPROM, convenient for customers to adjust and save parameters.
5) As for CNC fan,there is 24V, 12V, 5V voltage selection of the external power supply module , easy to operation, avoid damage to the motherboard.
6) WIFI module (ESP12S, ESP-07, ESP32) common interface for customers to DIY and use RRF firmware.
Type 1: SKR 3
1PC * SKR 3 Board
Type 2: With 5xTMC2209
1PC * SKR 3 Board
5PCS * TMC2209 V1.2
Type 3: With 5xEZ Driver
1PC * SKR 3 Board
5PCS * EZ2209 V1.0 / EZ5160 Pro V1.0
Type 5: With DC Mode
1PC * SKR 3 Board
1PC * DC Mode



















