The SKR2 Mainboard for 3D Printer builds. This board is compatible with TMC5160, TMC2209, TMC2225, TMC2226, TMC2208, TMC2130, ST820, LV8729, DRV8825, and A4988 drivers as well as closed loop steppers. This 3D Printer Mainboard does not come with an SD Card.
Specifications:
- Size: 110mm x 85mm
- Distance between installation hole centers： 102mm*76mm
- Microprocessor: ARM Cortex-M4 CPU STM32F407VGT6
- Input voltage: DC12V-DC24V
- Logic voltage: DC 3.3V
- Firmware support: Marlin, RepRap Firmware
- WIFI interface: ESP-12S, ESP-07S
- Expansion interfaces: I2C, Servos, Probe, PS-ON, PWR-DET, Fil-DET, RGB, etc
- 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 drive interface)
- Temperature sensor interfaces: TH0, TH1, TB. 3 Channels, 100K NTC (thermal resistance)
- Display interfaces: Serial touch screen, SPI touch screen, LCD display
- PC communication interfaces: USB type B and dual serial communication lines