SKR 3 H723 Controller Board/3D Printer Control System

The Bigtreetech SKR 3 is an updated 32-bit 3D printer SKR V1.4 Turbo. It is compatible with standard TMC stepstick drivers. The motor driver voltage can be adjusted from 12V to 24V, and the motherboard is compatible with Klipper, RepRap, and Marlin firmwares.  Product Specifications:  32-bit ARM Cortex-M7 series STM325723VGT6 chip Core frequency: 550MHz Output Current: 5A Fan interfaces: 3 CNC fans Input Voltage: DC12V-DC24V Logic Voltage: DC 3.3V Driver working modes: SPI, UART, STEP/DIR Motor Driver outputs: X,Y,Z (dual axis), E0, E1, five-way Heating interfaces: Heated bed (HB), heating cable (E0, E1) Temperature sensor interface: 1-way 100K NTC, 2-way 100K NTC, PT1000 (optional) PC interface: USB Wifi interfaces: ESP-12S. ESP-07S, ESP32 Screen: Serial touch screen, SPI touch screen, LCD display