[quote:82d0f34153="njepsen"]The board is running from a 12v 50AHr battery, with a 7805 regulator, and several 1000 uF around the board. [/quote:82d0f34153]
1000uF is nice to get rid of the low frequencies, but you also need parallel to the 1000uf, 100n and 10n to suppress the high frequencies.
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