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wtf is qcopterflightcontrol?

evshary/qcopterflightcontrol — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2013-11-30

CAudience · researcherComplexity · 5/5DormantSetup · hard

TL;DR

Open-source firmware and circuit board design for a drone flight controller, the brain that reads sensors and drives motors to keep a quadcopter stable.

Mindmap

mindmap
  root((repo))
    What it does
      Reads flight sensors
      Stabilizes drone
      Drives motors via ESC
      Logs flight data
    Tech stack
      STM32F405R chip
      C firmware
      Altium hardware design
      MDK 5.0 toolchain
    Use cases
      Build custom quadcopter
      Learn flight control
      Add autonomous features
      Swap commercial controller
    Audience
      Hobbyist makers
      Robotics students
      Drone enthusiasts

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Build a custom quadcopter flight controller instead of buying a commercial one.

REASON 2

Study how flight stabilization and sensor fusion work on real hardware.

REASON 3

Customize the hardware design for a specific aircraft shape or size.

REASON 4

Extend the firmware with autonomous flight modes or camera integration.

What's in the stack?

CSTM32F405RAltium DesignerMDK 5.0

How it stacks up

evshary/qcopterflightcontrolac000/find-flvacc4github/kdenlive-omnifade
Stars——0
LanguageCCC
Last pushed2013-11-302013-04-05—
MaintenanceDormantDormant—
Setup difficultyhardmoderatemoderate
Complexity5/52/52/5
Audienceresearcherdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · hard Time to first run · 1day+

Requires Altium Designer, MDK 5.0, and STM32 hardware to build and flash.

No license information given in the explanation.

Yoink these prompts

Prompt 1
Explain how the IMU and barometric sensor readings on this STM32F405R board would be combined to stabilize a quadcopter.
Prompt 2
Walk me through adapting this flight controller's Altium schematic for a smaller aircraft frame.
Prompt 3
Help me write a test plan for the pre-alpha motor PWM and SD card logging modules in this firmware.
Prompt 4
What would it take to add GPS-based autonomous waypoint flight to this STM32F405R flight controller?

Frequently asked questions

wtf is qcopterflightcontrol?

Open-source firmware and circuit board design for a drone flight controller, the brain that reads sensors and drives motors to keep a quadcopter stable.

What language is qcopterflightcontrol written in?

Mainly C. The stack also includes C, STM32F405R, Altium Designer.

Is qcopterflightcontrol actively maintained?

Dormant — no commits in 2+ years (last push 2013-11-30).

What license does qcopterflightcontrol use?

No license information given in the explanation.

How hard is qcopterflightcontrol to set up?

Setup difficulty is rated hard, with roughly 1day+ to a first successful run.

Who is qcopterflightcontrol for?

Mainly researcher.

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