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68 lines
2.6 KiB
Markdown
68 lines
2.6 KiB
Markdown
# flix
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**flix** (*flight + X*) — making an open source ESP32-based quadcopter from scratch.
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<img src="docs/img/flix.jpg" width=500 alt="Flix quadcopter">
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## Features
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* Simple and clean Arduino based source code.
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* Acro and Stabilized flight using remote control.
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* Precise simulation using Gazebo.
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* In-RAM logging.
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* Command line interface through USB port.
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* Wi-Fi support.
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* MAVLink support.
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* Control using mobile phone (with QGroundControl app).
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* ESCs with reverse mode support.
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* *Textbook and videos for students on writing a flight controller\*.*
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* *Completely 3D-printed frame*.*
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* *Position control and autonomous flights using external camera\**.
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* [Building and running instructions](docs/build.md).
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*\* — planned.*
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## It actually flies
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<a href="https://youtu.be/8GzzIQ3C6DQ"><img width=500 src="https://i3.ytimg.com/vi/8GzzIQ3C6DQ/maxresdefault.jpg"></a>
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See YouTube demo video: https://youtu.be/8GzzIQ3C6DQ.
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## Simulation
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Simulation in Gazebo using a plugin that runs original Arduino code is implemented:
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<img src="docs/img/simulator.png" width=500 alt="Flix simulator">
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## Schematics
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<img src="docs/img/schematics.svg" width=800 alt="Flix schematics">
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You can also check a user contributed [variant of complete circuit diagram](https://github.com/okalachev/flix/issues/3#issue-2066079898) of the drone.
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*\* — SBUS inverter is not needed as ESP32 supports [software pin inversion](https://github.com/bolderflight/sbus#inverted-serial).*
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## Components (version 0)
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|Component|Type|Image|Quantity|
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|ESP32 Mini|Microcontroller board|<img src="docs/img/esp32.jpg" width=100>|1|
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|GY-91|IMU+LDO+barometer board|<img src="docs/img/gy-91.jpg" width=100>|1|
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|K100|Quadcopter frame|<img src="docs/img/frame.jpg" width=100>|1|
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|8520 3.7V brushed motor (**shaft 0.8mm!**)|Motor|<img src="docs/img/motor.jpeg" width=100>|4|
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|Hubsan 55 mm| Propeller|<img src="docs/img/prop.jpg" width=100>|4|
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|2.7A 1S Dual Way Micro Brush ESC|Motor ESC|<img src="docs/img/esc.jpg" width=100>|4|
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|KINGKONG TINY X8|RC transmitter|<img src="docs/img/tx.jpg" width=100>|1|
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|DF500 (SBUS)|RC receiver|<img src="docs/img/rx.jpg" width=100>|1|
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||~~SBUS inverter~~*|<img src="docs/img/inv.jpg" width=100>|~~1~~|
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|3.7 Li-Po 850 MaH 60C|Battery|||
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||Battery charger|<img src="docs/img/charger.jpg" width=100>|1|
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||Wires, connectors, tape, ...||
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||3D-printed frame parts||
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*\* — not needed as ESP32 supports [software pin inversion](https://github.com/bolderflight/sbus#inverted-serial).*
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## Telegram-channel
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Subscribe to Telegram-channel on developing the drone and the flight controller (in Russian): https://t.me/opensourcequadcopter.
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