The BIQU BigTreeTech SKR V1.4 controller board is a very capable controller board. The processor is a ARM Cortex-M3 CPU which is a 32-bit processor capable of running Marlin 2.0 with ease. It support 5 stepper motor outputs as well as dual Z motors, 2 extruders and hot ends, X, Y & Z end stops, LCD screen, filament runout detection, power outage detection, BL Touch input, LED strip control and optional upgrades like Wifi connectivity and additional DC outputs. All of this at a very competitive price!

Please see the BTT Github for datasheets, firmware and user manual: BTT SKR V1.4 Github

Specifications:

• Board: BTT SKR V1.4
• Processor: ARM Cortex-M3 CPU 32-bit
• Board size: 110 x 85mm
• Input voltage: 12-24V
• Motor Drivers: 5
• Compatible stepper drivers: A4988, DRV8825, TMC2226
• Micro stepping: Up to 256 divisions
• Extruder interfaces: 2
• Filament runout interface: Yes
• Power outage interface: Yes
• Supported machine architecture: Cartesian (XYZ), Delta, Kossel, Ultimaker, CoreXY