hi Garth:

Thanks for posting this - I have had a Pi3B running with the Cirius board for several years (maybe 4 or 5 now), but I am moving it into a solar charged enclosure so I can move it away from the power source and make it more autonomous. I have used Pi Zeros for other installation applications but was not thinking about it in this application - however due to the reduced power consumption it would make sense for me to change me entire setup to a PiZero with the IOAudio board and so I am wondering if you have any details on how you got the PiZero working for Locusonus stream

as said, I don't have Pi zero experience yet. What you've listend to is
a Pi3 + the IQAUdio Zero board: http://iqaudio.co.uk/hats/101-pi-codeczero.html

this board is for the pi zero, but obviously works nicely with a Pi3
I don't have a Pi Zero yet, but will so soon, then I can test how this
performs.

great news is that there is an audio board with stereo mic-in /w PIP,
working with a Pi3, Pi4 and hopefully Pi Zero.

Setup on the actual Pi3 is simple, the board is recognized by the
kernel (Raspbian GNU/Linux 10, Linux raspi3 4.19.97-v7+) without any
driver install needed.

the card is visible by the alsa:
pi@raspi3:~ $ arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: IQaudIOCODEC [IQaudIOCODEC], device 0: IQaudIO CODEC HiFi v1.2 da7213-hifi-0 [IQaudIO CODEC HiFi v1.2 da7213-hifi-0]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

So in a darkice config you can use it like:
...
device          = hw:IQaudIOCODEC
sampleRate      = 44100
bitsPerSample   = 16
channel         = 2
...

as soon as I have a pi zero I'll try the board and will report.
bests, Udo

Thanks in advance

Garth

ps. The stream seems quite low gain here in the USA

On Apr 21, 2020, at 08:56, udo noll <un@aporee.org> wrote:

hi Grant & all locustreamers,

maybe I missed that info, but the IOAudio website says about the
pi-codecZero board (for the raspberry pi zero) that it is mono and
doesn't work with a pi3 etc., and didn't he mention that it doesn't
have PIP / bias voltage available?

anyway, it obviously works great with a stereo pair of Primo EM172.
that means this board together with pi zero would be perfectly small,
stereo and has low energy consumption. I'give it a try with a pi zero
soon.

I'm just listening now, it's quite low noise, better sounding than the
cirrus board. quite cool.
check our my backyard within the next hour:
http://radio.aporee.org:8000/live.m3u

bests, Udo

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http://locusonus.org/
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