Low Voltage Warning for CC3D

Preamble

Following on from CC3D, I need a low voltage cutoff on my quad, for the 3S LiPo, as I am constantly running my batteries down to 3% of the batteries capacity.

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SP3 Racing F3

Preamble

I have killed my KK Mini flight controller by powering it up with the polarity reversed, see KK Mini, so I was in the market for another flight controller. I thought about simply replacing the KK Mini with another one, but could I get something better for my money as the KK Mini is rather a noddy affair. I saw the SP3 Racing F3 (also labelled as  the SP Racing F3), and thought that it might be worth taking a look.

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