BIGTREETECH SKR 2 Control Board

32-bit ARM Cortex-M4 (STM32F407, 168MHz) 3D printer motherboard upgrades CR-10/Ender 3—supports TMC2208/2209 drivers (SPI/UART/STEP/DIR), Marlin/RepRap firmware. Third-party sale via uOttawa Makerstore (contact makerstore@uottawa.ca for info/negotiation); suits engineering students modding printers.

5 driver slots (up to 6 motors, dual Z); 12/24V input; Ethernet/WiFi (ESP8266); BLTouch/filament sensor; thermal protection; RPi interface.

Connections

• Heaters: 2 tools + bed (high-power MOSFETs).
• Fans: 3 PWM + 2.
• Sensors: 4 thermistors; 3 endstops.
• Other: MicroSD; USB; 109.7x84mm.

Note: Product size and dimensions may vary.

Disclaimer: The images shown are for illustration purposes only and may not be an exact match.