SKR 2 - STM32F429VGT6 180 MHz - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V

Features:

• Poweful main control chip:
  ARM Cortex-M4 STM32F429VGT6 main control chip with a core frequency up to 180 MHz.
• Compatible with Marlin, Klipper and RepRapFirmware
• Added safety design:
  Advanced thermistor protection circuit.
  Thermal runaway circuit protection added.
  Marlin integrate anti-reverse stepper driver protection.
• TMC Diag jumpers added: No longer need to cut pins without sensorless homing.
• Support 3 driving mode (configurable with jumpers):
  Normal STEP/DIR mode
  UART mode driven by TMC
  SPI mode driven by TMC
• Dedicated WIFI interface:
  ESP8266 WIFI module (ESP12S or ESP-07) interface for customers to use RepRapFirmware.
  Note: The WIFI module is sold separetely.
• 3 PWM controllavle fan interfaces.
• Onboard pus-pull TF card slot (running in SDIO mode) and U disk interface.

Specs:

• Apperance size: 110mm x 85mm
• Installation size: 102mm x 76mm
• Microprocessor: ARM Cortex-N4 CPY STM32F407VGT6
• Input voltage: DC12-24V
• Logic voltage: DC3.3V
• Firmware support: Marlin, RepRap Firmware
• WIFI interface: ESP-12S, ESP-07S
• Fan interfaces: Three PWM fans, two always-on fans
• Expansion interfaces: I2C, Servos, Probe, PS-ON, PWR-DET, Fil-DET, RBG, etc
• Motor driver: TMC5160, TMC2209, TMC2225, TMC2226, TMC2208, TMC2130, ST820, LV8729, DRV8825, A4988, etc., and can be externally connected to a motor drive
• Supported stepper driver interfaces: SPI, UART, STEP/DIR
• Motor driver sockets: X, Y, Z (double Z axis), E0, E1, five channels (each channel also has a closed loop dirve interface)
• Temperature sensor interfaces: TH0, TH1, TB, 3 Channels, 100K NTC (thermal resistence)
• Firmware support: Marlin, RepRap Firmware
• Display interfaces: Serial touch screen, SPI touch screen, LCD display
• PC communication interfaces: USB type B with configurable BAUD
• Command file formal support: G-code or according to the installed OS

More info

• Github
• 3DWork