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UpgradesUpgrades & Mods

Upgrades & Mods

Make Clura your own with official and community upgrades.

The whole thing is open source, including the firmware, PCB and printed parts, so nothing here is a locked door. If you want it to do something else, it can.

Where to start

Supported Upgrades covers the spare hardware that is already on the board and waiting for you, meaning extra fan ports and 5 V or relay outputs.

Feature Requests covers what people have asked for and what is being looked at.

Things you can change without touching hardware

A lot of what people want turns out to be a settings change:

  • Servo angles, alarm thresholds, fan ramp points and temperature limits, all in data.clu
  • Your own spool brands and weights, in filament.clu
  • Sensor history as a CSV you can plot, covered in Logging

Building your own firmware

Source is at the Clura Enclosure repository . The mainboard is an STM32F411 built with STM32CubeIDE, and the output is a .bin you rename to monitor.bin and copy to the SD card, exactly like an official release.

The bootloader validates every image before erasing anything, so an experimental build that does not work costs you a reflash rather than a board.

Pull requests welcome.

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