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flix/docs/assembly.md
Oleg Kalachev 774144c430 Many updates to documentation
Updates to main readme.
Add much more info to usage article.
Move simulator building to simulation's readme.
Improve assembly article.
Many fixes.
Updates in diagrams.
2025-11-06 13:55:52 +03:00

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Brief assembly guide

Soldered components (schematics variant):


Use double-sided tape to attach ESP32 to the top frame part (ESP32 holder):


Use two washers to screw the IMU board to the frame:


Screw the IMU with M3x5 screws as shown:


Install the motors, attach MOSFETs to the frame using tape:


Screw the ESP32 holder with M1.4x5 screws to the frame:


Assembled drone:

Motor directions

Warning

The drone above is an early build, and it has inversed motor directions scheme. The photos only illustrate the assembly process in general.

Use standard motor directions scheme:

Motors connection table:

Motor Position Direction Prop type Motor wires GPIO
Motor 0 Rear left Counter-clockwise B Black & White GPIO12 (TDI)
Motor 1 Rear right Clockwise A Blue & Red GPIO13 (TCK)
Motor 2 Front right Counter-clockwise B Black & White GPIO14 (TMS)
Motor 3 Front left Clockwise A Blue & Red GPIO15 (TD0)

Motors tightening

Motors should be installed very tightly — any vibration may lead to bad attitude estimation and unstable flight. If motors are loose, use tiny tape pieces to fix them tightly as shown below: