BLDC Motor Testbench (ESP32, load cell, INA226) for UAV / Dronemotors
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A test stand for measuring thrust, current and voltage of drone motors in an automated test sequence.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- RC & Robotics
- Licencja
- Creative Commons — Attribution
The motor sits on a ball-bearing rocker arm that transfers the thrust through a single steel ball onto a 2 kg load cell. This keeps the force path defined and free of side loads.
All parts print without supports.
Additional parts for the mechanics
4 × ball bearing, 4 mm bore
1 × steel rod, 4 mm (pivot axis)
1 × steel ball, 4 mm (force transfer to the load cell)
10 × M3 socket head screw
4 × M3 heat-set insert
1 × wooden base plate
1 × 2 kg bar-type load cell with HX711
Electronics
ESP32 DevKit, INA226 current/voltage sensor, 16 × 2 LCD with I²C backpack, ESC (tested with T-Hobby F35A / AM32), two push buttons, LED, power supply.
Firmware, wiring, pinout and evaluation software
Everything needed beyond the printed parts is on GitHub, including parts list, ESP32 pinout, firmware, Python evaluation tools and the measurement data:
https://github.com/ynnklx/testbench