Dynamic Motor and Prop Balancer
From ItsQv
© Mark Qvale - November, 2017
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| A new tool! |
Introduction
This project was actually done some years ago by some great posters on RCGroups and DoItYourselfDrones. You can read the original threads at these two links:
Basically, this is a dynamic balancer for motors and props that can be built for under $50. In the original write-ups there are two versions of the control board and firmware but this build only covers the version that uses the Teensy micro-controller.
Parts
Purchase Parts
- Teensy USB Board, Version 3.2
- 3-Axis ADXL345 Digital Acceleration Module
- QEE123 - Plastic Infrared Light Emitting Diode
- QSE159 - Silicon Photosensor
- 56 ohm 1/4 watt resistor
- 100 ohm 1/4 watt resistor
- 10K ohm 1/4 watt resistor
- 50mm x 70mm Hobby Board
- Pin Header
Make Parts
- Motor Mount Plate
- Photo Sensor Mount
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