1、STM32F446 180MHZ: Printer main control board based on STM32F446 180Mhz for Voron Design 3D printers, supports 8 TMC stepper motor drivers, Uart and SPI. 2、MOSFET OUTPUTS: 10x PWM Power MOSFET Outputs (1x for HotBed, 3x for HotEnd, 3x for Fan, 3x for RGB LED Strip) 3、SUPPORT SYSTEM: 3D printer board support firmware for Klliper, for Marlin, for RRF, support system for Raspberry pi, for Spider. 4、8 PWM FANS: Up to 8x PWM fans (using only 1 extruder, no 12V/24V RGB), 2x RGB LEDs (12V and 24V optional), 1x 5V RGB LED (NEO PX/WS2812) 5、PCB MATERIAL: 3D printer board is made of PCB material, no deformation for long time use, so as to ensure the stability for a long time. Item Type: 3D Printer Motherboard Material: PCB Main Control Chip: STM32F446 32bit Main Frequency: 180mHz Support: WiFi Module Support Firmware: For Klliper, for Marlin, for RRF Support System: For Raspberry pi, for Spider Size: Approx. 75 x 155mm / 3.0 x 6.1in 1 x 3D Printer Motherboard 1 x Mini12864 Display 1 x Knob 2 x Display Cable 1 x Power Cord 1 x Connection Cable 1 x Accessory Bag