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OpenMarine › OpenPlotter › General discussion v
Noisy audio alarm output *SOLVED *

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Noisy audio alarm output *SOLVED *
affinite Offline
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#7
2016-04-04, 04:04 PM (This post was last modified: 2016-04-04, 04:40 PM by affinite.)
(2016-04-03, 09:36 PM)Vamonos Wrote: Did you try disconnecting all other peripherals?  Everything except the amp to make sutlre there isn't a poorly designed item plugged in somewhere?
Found it ...
It is the 12v-5v DC converter I'm using to power the Pi. (Must have some sort of switching circuit)
I tried powering the Pi from a separate PSU and its fine.
I think I need a ground loop isolator - just ordered. Will advise if successful Undecided
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Messages In This Thread
Noisy audio alarm output *SOLVED * - by affinite - 2016-04-02, 05:57 PM
RE: Noisy audio alarm output - by Vamonos - 2016-04-03, 03:25 AM
RE: Noisy audio alarm output - by affinite - 2016-04-03, 09:42 AM
RE: Noisy audio alarm output - by SkipperEarly - 2016-04-03, 08:25 PM
RE: Noisy audio alarm output - by Vamonos - 2016-04-03, 04:39 PM
RE: Noisy audio alarm output - by Vamonos - 2016-04-03, 09:36 PM
RE: Noisy audio alarm output - by affinite - 2016-04-04, 04:04 PM

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