Raspberry Pi I2S to SPDIF Hat

Discussion in 'Digital: DACs, USB converters, decrapifiers' started by Michael Kelly, Apr 30, 2016.

  1. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    Production update - 5/6/2021

    The latest PI2AES production is finally complete and units are on the way to us! We just received the tracking number from our assembly house. It usually takes 3-4 days from Taiwan to us here in the US. Once they arrive, units will begin shipping to customers within 1-2 days. We will need to test, pack and ship each order, but we expect all back orders will be fulfilled within 1-2 weeks of receiving the units.

    Many thanks for your patience from the Pi 2 Design team, and stay safe!
     
  2. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    Production update - 5/11/2021

    The new batch of 250 PI2AES boards have arrived! We will begin testing and shipping today. We need about 1-2 weeks to get to all the back orders, so we still need your patience. When your order is shipped you will get an email with a tracking number. Although the number is created as soon as we make the label, it usually takes one day to become active.

    Many thanks for your continued patience from the Pi 2 Design team, and stay safe!

    IMG_0029.jpg

    IMG_0030.jpg
     
  3. Yethal

    Yethal Facebook Friend

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    [​IMG]
     
    Last edited: May 11, 2021
  4. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    I have some updates on the PI2AES production. Good news, we are shipping units and are about half way through the backlog. Bad news, I found out the assembly house will not take another order for at least 2 months due to their backlog. Our order size is simply not sufficient to move to the head of the line.

    What this means is that we will need to go elsewhere, which also means at a higher cost. So as of now the price of the PI2AES has increased to $199. All other items stay the same as our costs for those have not changed more than a few percent. We will have about 100 units in inventory once we finish the backlog. And those are likely all we can get until mid summer or later. I am sorry there was no warning since this is also a way to slow demand and gather more funds for the next build.

    I realize you have other options and I would certainly recommend you look at them seriously if your budget is constrained.

    Best regards,
    Michael
     
  5. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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  6. Zurvv

    Zurvv Acquaintance

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    @Michael Kelly I just got mine.. sweet :)

    You might want to check some of the solder points. For me, under the BNC corrector, the pin was left very long. This prevented the unit to fit well together. I beat it up to get it a little shorter and put some tape under it to stop the contact with the USB. (maybe breaking the BNC.. but that is my fault. I don't plan to use BNC.)

    (after my "fix")
    [​IMG]

    The bottom cracked too with very little torque used.. but it doesn't bug me. (it might have been caused my me fighting with the long pin too.)
     
    Last edited: May 22, 2021
  7. Pancakes

    Pancakes Friend

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    Does anyone have experience with Audirvana and 2 Pi2AES running at same time? It sees the first Pi2AES (Volumio) that I've been using but doesn't see the second I recently got. I've tried both Volumio and RopieeeXL running on it. I can get to it (regardless of OS) through the browser and Airplay but not via Audirvana.
     
  8. loadexfa

    loadexfa MOT: rhythmdevils audio

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    Cracking the case on your first Pi2AES is part of the hazing process. :) I did the same.
     
  9. loadexfa

    loadexfa MOT: rhythmdevils audio

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    That's odd, I was able to use two Pi2AES systems with Audirvana. I usually used different players but you have tried that too. I assume you've done the obvious and made sure UPnP is activated on the second Pi2AES?

    Perhaps see if disconnecting/turning off your first Volumio Pi helps? Also have you tried other UPnP players like BubbleUPnP or mConnect?
     
  10. Pancakes

    Pancakes Friend

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    Yup UPnP is enabled on the second unit. Will shut off the first one and see if that changes anything. Otherwise I'll give BubbleUPnP a try. Thanks.
     
  11. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    I’m sorry you ran into that. Our supplier changed the BNC vendor without telling us and we did not notice because we don’t screw the boards down during test. I have another customer that brought it to our attention and we have begun snipping them. Please note that the two large pins are not electrical, they are just mechanical hold downs.
     
  12. Woland

    Woland Friend

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    Be sure to set the system name in system / settings, rather than leaving the players at the default of 'Volumio'. Audirvana uses those names and might get confused if they are the same.
     
    Last edited: May 22, 2021
  13. Pancakes

    Pancakes Friend

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    Yup, it's the first thing I did. Anyway, Audirvana is now recognizing Ropieee which is both great and annoying. Annoying because I didn't change anything. Anyway...it works so I'm just going with "whatever".
     
  14. loadexfa

    loadexfa MOT: rhythmdevils audio

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    I’m not surprised and this kind of BS is why I’ve changed my opinion about any UPnP implementation to “don’t waste your time”. Instead “waste” your money on Roon. ;)

    Still, I’m glad you found my suggestion useful.
     
  15. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    I was able to put a small number of additional boards into stock today after reworking some boards that came from the factory with some minor issues. There should still be 15 or 16 in there right now, but I don’t know how long that will last obviously.

    We are working on another 100 unit lot being built domestically so it should be here by the end of the month or beginning of July. Will hold the price now based on that small increase we already had and that hopefully will cover the increase in our cost.
     
  16. AukePauke

    AukePauke Acquaintance

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    My PI2AES on a 3b pi on wifi did get unstable. A lot of disconnections. A restart helped for a short period.I checked the server, software, wifi. That didn't do the trick. After i powered the pi en PI2AES separate, it was stable again. Very strange after a long period by powering only through the PI2AES . So i decided to clean the connection pins of the pi and pi2aes. Yes... Stable again!

    Maybe this post can help you to save a lot of time
     
  17. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    I assume you are talking about the 40-pin gpio header? Did you remove the pi2aes often or just when you had these issues? Also how did you clean them?

    Sorry for the interrogation! I have not had anyone mention this before, but it may be you are the first to figure it out.
     
  18. AukePauke

    AukePauke Acquaintance

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    Yes the 40 pin gpio header. I cleaned it with alcohol. This was the first time i removed the pi2aes
     
  19. AukePauke

    AukePauke Acquaintance

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    After four days of continuous playing the problem is back....

    I will power the pi and pi2aes separate for a longer time now
    Edit: Archhh no luck.
     
    Last edited: Jun 10, 2021
  20. ofilippov

    ofilippov Acquaintance

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    It’s not enough info to say what’s going on. I had a problem with rPi itself recently. Changing it brought the thing back to life. And I couldn’t even suppose that it was rPi, because sound output was working over USB. I had some glitches with USB flash drive and digital output over the hat wasn’t working. o_O
     

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