Huvud 3d printer toolhead board v0.62

Key Features (V0.62):

• Comes pre-flashed with CANBOOT!
• Simplifies Wiring for any extruder head down to 4 wires – Skip the wire bundle!
  • V+, V-, Can_H, Can_L
• Designed for serial tunneling through CAN
  • Now comes with modifiable traces to enable direct serial thru the 4pin header
  • Now comes with jumper for termination resistor!

• Uses a 32bit STM32F103 MCU
• IO include:
  • 3x Endstop Pins W/ 5v
  • 2x Thermistor (Compatible with Thermistors and PT1000) REV 2/15/2022 Now using a .1% pullup resistor for supreme high-temperature accuracy!
  • 2 PWM fan outputs
  • Heater Output – 6A MAX
  • 4 wire Stepper Motor
  • Single-connector CAN+Power
  • USB connector for Flashing Firmware and can double as backup signaling
  • TMC 2209 stepper driver with digital current control
  • Indicator LED’s for quick status updates
  • ADXL345 onboard for easy input shaping and future features

CAN distribution board is currently in development which will combine same single-connector design for multiple toolboards on a single machine.

Changes from last produced set (V.5)

• Added extra thermistor channel
• Added 2x endstop channels
• Endstops now support 5v
• Cuttable traces on the backside now supports direct serial over 4-pin connector
• Now comes in black!