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STRUMYK - Hi-Fi streamer on Raspberry Pi 4 + IQaudIO DAC Pro

Pltin74 4716 66
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  • Hello forum members.
    I would like to present a chassis design I have made for the Raspberry Pi 4 that works with the IQaudIO DAC Pro card. The device serves as a music streamer from a home NAS server and can play audio material in 16-24 bit quality.

    I used the Volumio system as the software. Operation is possible both from the mobile app and via the 5" OSOYOO touchscreen display connected via DSI.

    The rear panel houses:
    - two pairs of RCA outputs (switchable via a switch),
    - RJ45 socket,
    - power switch,
    - USB-C connector for power supply.

    The enclosure was printed on a Bambu Lab P1S printer. The design works with my tube amplifier on 6P6S tubes, which I featured earlier in the profile.

    It's nothing amazing, but interestingly on Reddit the design has been very positively received, and this is my first product that can be purchased on my patreon :)

    Music streamer with touchscreen display and “STRUMYK” text on top grill panel
    Interior view of orange enclosure with Raspberry Pi 4 and IQaudIO DAC Pro board
    Black case with yellow STRUMYK lettering on a gray mat with scattered letters around

    Cool? Ranking DIY
    About Author
    Pltin74
    Level 7  
    Offline 
    Pltin74 wrote 142 posts with rating 122. Live in city Tęgoborze. Been with us since 2019 year.
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  • #3 21751852
    khoam
    Level 42  
    Apart from the casing, are the other components of this device DIY?
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  • #4 21751872
    Nepto
    Level 21  
    Elegant! Have you perhaps wondered if it would be possible to somehow avoid those screw heads on the front panel?
    What kind of screen is it?
  • #6 21751915
    Pltin74
    Level 7  
    >>21751852 No, just the casing
    >>21751872 I probably could, but in my opinion they add to the look so I wasn't hiding anything. The screen is OSOYOO 5", it says in the description :)
  • #7 21751917
    khoam
    Level 42  
    Pltin74 wrote:
    No, housing only


    Ok. What else?
  • #8 21751918
    Pltin74
    Level 7  
    >>21751917 in the sense that only the housing is diy
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  • #9 21751927
    Zvirek
    Level 26  
    khoam wrote:
    Pltin74 wrote:
    No, just the casing


    Ok. What else?


    I know what you mean, but it's not those days that DIY meant making something yourself from A to Z.
    Now are different times, different people, different DIY.
    It's a good thing that the author still wanted to put something together at all, because soon that skill will be lost too....
  • #10 21751934
    Pltin74
    Level 7  
    >>21751927 rest assured, in a year's time I'll learn to make processors and produce capacitive displays :D I recommend playing "with these finished blocks" and seeing how 3d printing and design is simple and wonderful!
  • #11 21751961
    acctr
    Level 39  
    Pltin74 wrote:
    play "with these finished blocks" and see how 3d printing and design is simple and wonderful

    Congratulations on a successful project. However, to be honest, the enclosure you presented is simple but not great - terrible 3d printing texture and lack of any structural reinforcement, some cracks around the mounts, screws without nuts, bent walls. With a 3d printer at your disposal you could have done better because as it stands it's a plain box without any engineering finesse.
    The reddit community is the level of an amateur lego block builder not an amateur electronics builder, sure good feedback from them is edifying but is it constructive?
    Helpful post? Buy me a coffee.
  • #12 21751974
    kjoxa
    Level 22  
    And the code? Did a colleague write it himself or a ready-made one?
  • #13 21751983
    Pltin74
    Level 7  
    >>21751961
    So am I to understand that Elektroda.co.uk is an elitist and luxury community (not society*)? :D
    Regarding that awful texture; what pleases who, I'm not complaining, and reinforcements? What for? Nobody will throw it :D
    Where the user saw the cracks, I don't know, but I have a -6 in both eyes, so maybe that's why ;P
    This isn't meant to be another skyscraper in Dubai, just a simple enclosure to be assembled by someone who can handle an Allen spanner. As for the curved top - fact, it could have come out better, but you can always print again.
    Thanks for the feedback and congratulations ;)

    Added after 2 [minutes]:

    >>21751974 There's such a thing as a description, but let it be - I'll answer software is Volumio ;D
  • #14 21752109
    khoam
    Level 42  
    Pltin74 wrote:
    so I am to understand that the electrode is a community (not society*) of elitism and luxury?


    Elite is yes, but luxury is not so much.
  • #15 21752115
    androot
    VIP Meritorious for electroda.pl
    Terribly large box for just RPi + LCD. It would be possible to avoid those RCA and RJ45 socket extensions. But what does anyone like...
  • #16 21752116
    pikarel
    Level 39  
    A big plus from me for the fact that you have put all the "blocks" together in one place and thus made a functional device.
    Instead of a tangle of wires and modules, which would have ended up in a drawer or been disassembled after some time - you have made a device that pleases your eye and ear.
  • #17 21752128
    oshii
    Level 26  
    You would add a view of the rear panel.
    I wouldn't count on the accolades on the forum, as these are finished blocks both in terms of hardware and software. Have you modified anything in the system? At least some script that does something that isn't in the Volumio documentation?
    It looks like the only creative work is the enclosure and you are unlikely to find many printed enclosure enthusiasts here.
    Personally, I don't mind printing usable enclosures, but if they are not only to be practical, but also to look...well no, plastic is not my fave.
  • #18 21752129
    Pltin74
    Level 7  
    >>21752115 Yes that's right ;D do you have any idea what could be packed in this enclosure?

    Added after 6 [minutes]:

    >>21752128 when I have a moment I will throw it. i haven't modified anything, unfortunately I don't have the skills. ok, maybe it's not something that took me half a year to design and test, maybe I really didn't need to put it on the electrode, but just as on Reddit I didn't suspect that I would get much positive feedback, so here I had the same.... well, I was wrong. Every criticism is important to me, but only the constructive ones, because when I hear that WHEN IT WAS DIY AND NOW IT IS NOT, it shakes me up. Thanks for the feedback, if anyone wants something more advanced, you can see my tube amp projects on my profile
  • #19 21752158
    oshii
    Level 26  
    It's hard to give constructive criticism, because the whole project is based on taste - either you like the printed plastic or you don't, and there are so few photos that it's even hard to judge the quality of the printing. The front panel is too dark to see any details in the photo, the rear panel is missing, there are no feet, no close-ups.
    I would be interested, for example, in how aesthetically you have managed to embed the display and sockets in the case, but all I know from the photos is that there is a display in the case, and that there are sockets.
    When I made my parents a streamer for their home cinema, I put the RPi in a multipurpose enclosure, replaced one of the walls with tinted acrylic and put two 8x8 led arrays behind it, precisely because I had no idea how to aesthetically use a ready-made LCD panel.
  • #20 21752160
    khoam
    Level 42  
    oshii wrote:
    I personally don't mind printing utility enclosures


    Personally, I don't either and am even in favour, but in cases where such an enclosure needs to be "fitted" to specific design elements. Printing a cuboid that might as well be a shoebox is not particularly challenging given how many designs of this type are available on the web.


    @Pltin74 I have an additional question. What is the component in the image below used for? It doesn't look like it's connected to anything.

    Blue DIP switch with eight pins on brown background
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  • #21 21752227
    kombomcm67
    Level 2  
    Better than a professional test of extension cords :D
  • #22 21752572
    acctr
    Level 39  
    Pltin74 wrote:
    Where the user found the cracks, I don't know, but I have a defect -6 on both eyes, so maybe that's why ;P

    Defect no excuse because photos can be enlarged :D
    Close-up of orange plastic housing with surface flaws and arrow markers Close-up of orange housing corner with crack and metal screw
    Pltin74 wrote:
    About that awful texture; what suits who, I'm not complaining, but reinforcements? What for? Nobody is going to throw it

    Pltin74 wrote:
    What about the curved top - fact, it could have come out better but you can always print again.

    Just for that reinforcement :) pick up any PE container from the market and look at it from all sides, maybe you will be inspired what to improve and what to add before the next print.
    As it stands now, you might as well have made the enclosure out of cardboard, painted orange with crayons with a "designer" logo, the texture would have been better and the enclosure gained because "hand made".
    Pltin74 wrote:
    So I am to understand that Elektroda.pl is an elitist and luxury community (not society*)?

    On the subject of the elitism of the forum everything has already been written, use the "search" function :D
    Helpful post? Buy me a coffee.
  • #23 21752574
    Jawi_P
    Level 36  
    khoam wrote:
    Elitary then yes

    I am not convinced that the community of any public forum can be seen as elitist....
    As for the project. Hmm... It has already been said about tastes we do not discuss. Plastic in audio somehow not for me though.

    There was talk of reinforcements - you ask why. So that the walls don't bend, as you can see on the top cover.
    Personally, I like the fact that you presented the project. Assembling ready-made blocks and using them is not a bad thing in the current reality. Sometimes blocks like this get banged around in drawers. Not every project has to be from scratch.
    A plus from me.
  • #24 21752749
    _ACeK_
    Level 13  
    oshii wrote:
    ...The front panel is too dark to see any detail in the photo...


    Modern audio device with display screen and STRUNYK lettering on top panel

    :smile: Can be brightened up :idea:

    🙃 For as long as I can remember it was always when I made any board that I had a problem with the enclosure :cry: My first enclosure I made, it was for a VCR interface Atari 😇 Made from a round handwash box 😛 looks horrible but serves its purpose :wink:

    😎 There was once a guy who put a bunch of inventions in a box and patented it as a radio ✅
  • #25 21752769
    oshii
    Level 26  
    @_ACeK_ still after this photo I only know that there is a display in the case.

    I see from reddit that someone seems to have even bought the files to print this box from the author for £50. Personally, I hope that these funds will go towards the creation of a 2.0 version to improve the rigidity of the components, which the author will make available for free to those who have purchased the 1.0 version.

    @Pltin74 I see that you have created an assembly manual with detailed photos - why don't you make it available? Are you afraid someone will do reverse engineering and not pay for the project? I'm assuming that if someone is prepared to pay £50 for this design it's because they want ready-made, proven stl files that they can throw straight onto the printer without combining, whereas people who just want to be inspired won't push cash your way.
    You are using GPL-licensed software, so it would also be nice to be as open as possible so others can be inspired by your work.
    Imho, you are depriving yourself of the opportunity to expose yourself to genuinely constructive criticism, pushing you in the right direction in future projects of this kind.
  • #26 21752786
    khoam
    Level 42  
    _ACeK_ wrote:
    My first enclosure I made was for an Atari VCR interface 😇 Made from a round hand wash box 😛 looks awful but does the job


    I look forward to the publication of the article. Always some entertainment ;)
  • #27 21752809
    efi222
    Level 20  
    oshii wrote:
    ready, tested stl files that he can drop straight onto the printer without combining,

    STL is half the battle. Maybe with simple solids it will pass the test. With more complex ones, a lot depends on the slicer settings. Often without this data, the print can go in the bin.
  • #28 21752813
    oshii
    Level 26  
    All the more reason why, if I were the author, I would make the manual available so that someone would look at it with a critical eye, precisely in terms of possible reproduction problems by people for whom this may be the first large print in their lives.
  • #29 21752814
    _ACeK_
    Level 13  
    khoam wrote:
    ...Always some entertainment ;)


    👏 Bravo for your perceptiveness <br/span>:evil:

    😊 On the 💯 percentage I wrote magnetophone but that I am terrible err is I always use "Spelling" ⚠️ something got messed up 👀 and came out comically hihi :lol:

    oshii wrote:
    ...bought the print files for this box from the author for £50...


    🧐 That's the way of the world some do something pro bono others for 💰 or count on generosity " I helped? Buy me a coffee "
  • #30 21752833
    khoam
    Level 42  
    oshii wrote:
    Thus, if I were the author, I would make the manual available so that someone would look at it with a critical eye,


    I am convinced that it would be a better "business" to offer a finished enclosure, without making any design documentation available, and without the stress. The price of such an enclosure could be e.g. 500 PLN net plus shipping costs plus an optional autograph of the constructor :D

    PS. I am not interested.
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