palmerx wrote: 
> Can anybody help me with my amplifier problem? I just need a GPIO that
> goes high wenn playerstate is "Play". Would be so helpful on
> piCoPlayer...!

hi palmerx,

I don't want to discuss this topic here because it doesn't fit with
piCorePlayer as a software only solution. As soon as we add DIY hardware
we risk damage to your Raspberry Pi and in this case we "may" be
switching main voltage, so personal injury can be a possibility if you
don't have the qualifications. Some amps may have the control relay
built-in so we are only switching low voltage which is obviously not too
dangerous. There are too many options to support.

I know the guys at Pink Fish Media are hard core DIYers, with a lot of
experience in hardware and software design and implementation, so they
know the risks involved. So you may want to follow this thread and see
where it leads.

http://www.pinkfishmedia.net/forum/showthread.php?t=165465

regards
Greg


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