Marlin Firmware for SKR Bear / SKR 1.4 / TMC2209

Specs

This firmware is configured for a Full Bear MK3 fitted with a BigTreeTech SKR 1.4 and TMC2209s:

Motherboard

• BigTreeTech SKR 1.4

Printed Parts

• Printed control box by RC-CNC
• Universal Printed control box by Juan Pochol
• Bear TFT35 LCD Screen Case by Jerlo

Drivers

• BTT TMC2209 V1.2 on X/Y/Z/E/E0

Steppers

• X-axis: LDO 1.8° motor
• Y-axis: LDO 1.8° motor
• Z-axis: LDO 1.8° motor
• Extruder: LDO 1.8° motor
• Microstepping: 1/32

Hotend

• Direct drive E3D V6 all-metal hotend
• E3D 40W 24V Heater Cartridge
• Mechatronics B5015E24B-BSR 24v 5015 fan (parts cooling)
• PINDA V2

LCD Controller

• RERAP Discount Smart Controller

Wiring Guide

• SKR V1.4 Wiring Guide

BOM

• Bill of Materials

Other