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AutoQuad Forum • View topic - Changing M4 brushed PWM frequency?

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Changing M4 brushed PWM frequency?

Info and discussion about the autonomous Micro FC, suitable for nanos, micros and mini multirotors
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Changing M4 brushed PWM frequency?

Postby okallio » Thu Aug 20, 2015 4:50 pm

Is it possible to change M4 brushed PWM from 80kHz to 8kHz by simply changing MOTORS_PWM_FREQ in board_m4.h ?

My idea is to use BLHeli ESC with PWM input. With scope I measured 80kHz from driver FET gates but ESC does not seem to support this high frequency.
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Re: Changing M4 brushed PWM frequency?

Postby okallio » Fri Aug 21, 2015 11:31 am

Sorry all. There was already .bin for external ESC and Quotos. Just to solder wires to brushed FET gates and your ready for 400Hz ESC.

Too long since last forum visit :)
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Re: Changing M4 brushed PWM frequency?

Postby aBUGSworstnightmare » Fri Aug 21, 2015 12:06 pm

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