Flash the DJI 30A OPTO esc with BLHeli (and get rid of that annoying 8kHz high pitch sound)

Описание к видео Flash the DJI 30A OPTO esc with BLHeli (and get rid of that annoying 8kHz high pitch sound)

The DJI 30A OPTO esc’s are producing an annoying 8kHz high pitch sound during operation. Because of this, many people don’t use these esc’s anymore.

I currently run into a solution for this problem and that is to flash the DJI 30A OPTO esc with the BLHeli firmware. With the BLHeli firmware the motors are controlled with a 21kHz puls width modulating frequency that is outside the normal human hearing range.

In this video I show you how to flash the DJI 30A OPTO esc’s with the BLHeli firmware.

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