47 lines
1.4 KiB
Markdown
47 lines
1.4 KiB
Markdown
# Huvud 3D Printer toolhead board
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A very small 3D printer board for use on a direct drive toolhead. It is designed to be used with Klipper firmware.
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Klipper has the awesome feature to be able to use multiple MCUs connected to the host over a (relatively) high latency connection. Using CAN bus it is possible to chain many boards using just a pair of twisted wires and power. A good solution for multiple head 3D printers.
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Features:
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* CAN bus.
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* One TMC2209 stepper driver for the extruder
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* Two MOSFETs for fans
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* One big MOSFET for the hotend heater
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* Thermistor input
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* Support for an endstop (or filament runout sensnor)
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* STM32F103 72Mhz 32bit ARM MCU
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* USB, for flashing firmware
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Main power is 12-24V. 24V is preferred to keep the currents low
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All done in KiCad and open source.
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If you are interesting in helping out, testing or eventually using this board feel free to contact me at glpontus@gmail.com.
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### Documentation
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* [Pinout and hook up](doc/pinout.md)
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* [Klipper configuration](doc/klipper.md)
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* [CAN bus](doc/canbus.md)
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* [Prototype versions of the board](doc/versions.md)
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---
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Buy it at:
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* Lukes Lab: https://lukeslabonline.com/products/huvud
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* Tindie: https://www.tindie.com/products/huvud/huvud-3d-printer-hotend-control-board/
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---
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Read more about the project activites over at hackaday:
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https://hackaday.io/project/174429-huvud-a-3d-printer-tool-head-controller-board
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---
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