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Specifications

Main Features

  • 9 Thermistor Inputs
    • 5 Inputs best suited for 100k NTCs, like Generic 3950 or ATC Semitec
    • 4 Inputs best suited for PT1000
  • 4 Fan Outputs
    • 2 GND-switched PWM fan ports with optional tachometer support, 500mA per port
    • 2 4-pin Fan Ports, 1A maximum per port
    • Each fan output supports 5V, 12V and 24V fans
  • 4 RGB Outputs (compatible with WS2812B, SK6812 and Adafruit Neopixel)
    • Integrated diagnostic SK6812 RGB LED
    • up to 2A (shared with other 5V devices and across all 4 ports)
  • 2 I²C ports
  • Integrated 12V 2A and 5V 2A step-down converters
  • Usage via CAN or USB (or...use it as an USB to CAN bridge?)
  • Raspberry Pi compatible mounting pattern
  • Extensive Quality-of-Life Features
    • All ports are labeled on the board with the pinout and the respective pin for Klipper
    • Klipper menuconfig settings are printed on the board
    • Diagnostic LEDs for fan ports, DFU mode and power supply status
  • Protection Features
    • Reverse Polarity Protection on the main input
    • Thermistor inputs withstand accidental short to 24V