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STM32-based Onboard Computer

rendered top and bottom view of the PCB

This repository contains the KiCad project files and fabrication outputs of GU Orbit's new generation STM32F4-based OBC board.

Revision A of this board will fly on the CloudView-2 high altitude balloon mission. This revision is an 100% COTS design with no space grade parts.

Documentation

User Manual

Available HERE (University of Glasgow login required)

Schematic Diagram

Available HERE (University of Glasgow login required)

Mechanical Drawing

Available HERE (University of Glasgow login required)

3D Model for CAD

Available under the CAD directory in STEP and FreeCAD formats

Next Revision TODOs

  • Change R9, R10 to 330ohm so the LED is not so dim
  • Replace HSE, LSE crystals with TCXO for precision
  • Use another LTC4411 to protect the SWD port

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Hardware design files for the STM32-based OBC boards

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