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It's Alive!

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Posted on March 8, 2017 at 13:29:57
E-Stat
Audiophile

Posts: 23966
Joined: May 12, 2000
Contributor
  Since:
April 5, 2002


The power adapter plug arrived today from across the pond. One minor detail is that the plug's thickness initially prevented entry into the jack with the Zebra Top Hat enclosure. I needed to slice off a section of the thick plug to get it to fit.

Powered up unit, plugged into router, figured out IP address and spent all of a couple minutes exploring the menus and setting the WiFi stuff. Easy as pie! Sorry-couldn't resist :)

Unit is happily playing music without a hitch. I'll be spending some quality time with the cute little unit in the coming days.

 

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Nice!, posted on March 8, 2017 at 14:10:33
AbeCollins
Audiophile

Posts: 27861
Location: USA
Joined: June 22, 2001
Contributor
  Since:
February 2, 2002
BTW, I like that chunky acrylic enclosure. Which Pi board(s) and versions are you using? I've kinda lost track because they've upgraded and improved them over the years.


 

RE: Nice!, posted on March 8, 2017 at 14:55:32
E-Stat
Audiophile

Posts: 23966
Joined: May 12, 2000
Contributor
  Since:
April 5, 2002
I simply followed CT's helpful primer on what I needed:

Pi 3B (for WiFi capability)
HiFi Berry Digi+

And Dynobot filled in a needed gap by providing a source for the DC to MicroUSB connector used between the RPi and the Jameco power supply.

The Quad core Cortex A53 1.2 gHz 64 bit processor found in the 3B is said to be almost ten times faster (depending upon code optimization) than the single core ARM1176 700 mHz 32 bit processor found in the Pi 1. And has twice the memory. Moore's Law in practice.

 

Initial operational observations, posted on March 8, 2017 at 16:07:25
E-Stat
Audiophile

Posts: 23966
Joined: May 12, 2000
Contributor
  Since:
April 5, 2002
The WiFi sensitivity of the Pi is much lower than that of a Touch. 16/44 content streamed just fine into the somewhat challenging environment of the garage which is a connected space to the house via a breezeway. With 24/96 content, however, there were constant dropouts. No joy.

For years, I have configured LMS to perform the FLAC decompression at the server level to free the modest computational output of the Touch's ARM11 processor. That meant that the data stream was an uncompressed WAV stream which previously worked just fine for any resolution.

Solutions:

1. Since both uRendu and RPi processors have gigaflop computational capability, server based decoding is no longer required. I reconfigured LMS to send the FLAC stream.
2. Moved access point in garage closer to closet where gear is located.
3. Took advantage of Zebra Top Hat enclosure mounting and put on wall.

Now I'm back to full functionality regardless of resolution.

 

Very GOOD!!, posted on March 8, 2017 at 18:44:52
Dynobot
Audiophile

Posts: 166
Joined: December 10, 2016

Great, let the fun begin.

I agree the RPi wifi is not that strong. I put a RPi inside of one of my Dacs, it worked out ok but I'm going to end up with Ethernet.

 

RE: Very GOOD!!, posted on March 9, 2017 at 05:37:30
E-Stat
Audiophile

Posts: 23966
Joined: May 12, 2000
Contributor
  Since:
April 5, 2002
That DAC cabinet could swallow a family of RPIs. :)

 

RE: Very GOOD!!, posted on March 9, 2017 at 05:59:15
Dynobot
Audiophile

Posts: 166
Joined: December 10, 2016
LOL!!!!

Yep tons of room


 

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