flix

flix (flight + X) — making an open source ESP32-based quadcopter from scratch.

Features

• Simple and clean Arduino based source code.
• Acro and Stabilized flight using remote control.
• Precise simulation using Gazebo.
• In-RAM logging.
• Command line interface through USB port.
• Wi-Fi support.
• ESCs with reverse mode support.
• Textbook and videos for students on writing a flight controller*.
• MAVLink support*.
• Completely 3D-printed frame.*
• Position control and autonomous flights using external camera*.
• Building and running instructions.

* — planned.

It actually flies

See YouTube demo video: https://youtu.be/8GzzIQ3C6DQ.

Simulation

Simulation in Gazebo using a plugin that runs original Arduino code is implemented:

Schematics

Version 0

Components

Component	Type	Image	Quantity
ESP32 Mini	Microcontroller board		1
GY-91	IMU+LDO+barometer board		1
K100	Quadcopter frame		1
8520 3.7V brushed motor	Motor		4
Hubsan 55 mm	Propeller		4
2.7A 1S Dual Way Micro Brush ESC	Motor ESC		4
KINGKONG TINY X8	RC transmitter		1
DF500 (SBUS)	RC receiver		1
	SBUS inverter		1
3.7 Li-Po 850 MaH 60C	Battery
	Battery charger		1
	Wires, connectors, tape, ...
	3D-printed frame parts