Dummies Mini-Guide to Pi2AES 7" Display Case Build

Discussion in 'Digital: DACs, USB converters, decrapifiers' started by purr1n, Oct 15, 2020.

  1. purr1n

    purr1n Finding his inner redneck

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    The next few posts are intended to be a mini-guide as opposed to a step-by step. This is intended as a supplement to the the standard pi2AES case build (no display) here which is still relevant: https://www.superbestaudiofriends.o...-to-pi2aes-throw-away-your-pc-or-laptop.8878/

    DSC03110.JPG

    STUFF WE NEED TO BUY: https://www.superbestaudiofriends.o...hrow-away-your-pc-or-laptop.8878/#post-288017

    The exception to above that we want the acrylic case for the 7" display instead of the regular one, and of course the official Raspberry Pi 7" Touch Screen Display
    The instructions for assembling the Pi2AES 7" display case can be downloaded here:
    http://www.pi2design.com/uploads/4/8/5/3/48531975/pi2aes_7_display_case_assembly.pdf

    These instructions are very good, but I will offer a few tips to make the process easier.


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    Last edited: Oct 15, 2020
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  2. purr1n

    purr1n Finding his inner redneck

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    The first step is to dump all the screws and posts, and organize them like this. Don't ask why, just do this.
    DOING THIS MORE THAN ANYTHING ELSE WILL MAKE YOUR BUILD EASIER.

    DSC03108.JPG

    There are posts of different sizes. What I've done here is line them up (left to right) in when they will be used from the first step to the last step of the build process. Of the screws, there are four which are a bit larger than the rest. Set them aside (up top).

    Doing this ahead of time will speed up the build process significantly with less effort finding the right part or accidentally installing the wrong part.
     
    Last edited: Oct 15, 2020
  3. purr1n

    purr1n Finding his inner redneck

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    The next thing is to test fit which side panel fits your Pi2AES right after we screw the PC board to the first set of standoff posts. The box comes with two versions of the left side panel.

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    Last edited: Oct 15, 2020
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  4. purr1n

    purr1n Finding his inner redneck

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    The software download, sdcard, and startup procedures are the same as here: https://www.superbestaudiofriends.o...hrow-away-your-pc-or-laptop.8878/#post-288020

    THIS IS WHAT WE CAN EXPECT TO SEE AFTER THE FIRST BOOT UP
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    NOTE THAT VOLUMIO DOES NOT SUPPORT THE DISPLAY FROM THE START. WE WILL STILL NEED AN ETHERNET CABLE FOR THE INITIAL SET UP. The display in Volumio requires a plug-in to be downloaded and turned on.

    We need to go into settings and plugins:
    upload_2020-10-15_11-57-8.png
    upload_2020-10-15_11-54-48.png
     
    Last edited: Oct 15, 2020
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  5. purr1n

    purr1n Finding his inner redneck

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    Next, select Misc on the left column and proceed to INSTALL the Touch Display Plug-in
    upload_2020-10-15_11-59-20.png

    NOTE THAT THE INSTALL FOR THE TOUCH DISPLAY DOES TAKE A WHILE!
    WAIT!


    upload_2020-10-15_11-59-51.png

    Don't forget to go into the Install Plugins Tab and turn on the plug-in!

    upload_2020-10-15_12-10-12.png

    When the install is complete and plug-in turned, the display screen will just pop up with the interface. No reboot was necessary.
     
    Last edited: Oct 15, 2020
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  6. purr1n

    purr1n Finding his inner redneck

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    Final notes:
    1. Only the red (+5V) and green (Ground) wires are used for the display. These are also marked next to the pins on the PC boards of the display and RPi. I wouldn't hurt to double check.
    2. There were yellow and green wires included with the 7" display for SDL and SDA, but these did not seem necessary. @Michael Kelly: Can you confirm?
    3. The ribbon cable slot on the 7" display also has a lock. Be sure to pull the lock outward do the ribbon cable can be inserted.
    4. Note the ribbon cable for the display has one side of each end marked with a blue strip. Just follow the pictures in the instructions for proper orientation.
    5. The case only supports the official Raspberry Pi 7" Touch Screen Display
    6. Volumio has an automatic screen off after a certain period of inactivity. Music still plays. A touch on the screen turns it back on.
    7. Reserved for other stuff I may have forgotten.
     
    Last edited: Oct 15, 2020
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  7. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    The early Raspberry PI's did not carry the I2C on the DSI ribbon. Pi3 and later have that so the I2C connection is no longer used.
     
  8. scblock

    scblock Friend

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    Very nice, thanks for the write-up Marv!

    For anyone using Roon and RoPieee like me, I have a few things to add to the software piece.

    You'll want to get everything connected and the display attached and ready to go before flashing the SD card with a fresh copy of the OS and booting up for the first time or you won't get the display at all. It looks for the display on first run, and there's no obvious way to enable it after the initial setup. If you already have RoPieee set up your best bet is to just start over with a fresh install. It doesn't take long.

    On the RoPieee web interface select the Display tab and set the Roon Control Zone field to exactly the same as the name of zone name in Roon like in these pictures. Copy and paste if you need to. You'll also need to enable the RoPieee Remote Control extension in Roon itself. It should show up automatically, you'll just need to hit Enable.

    [​IMG]

    [​IMG]
    [​IMG]

    At this point you should get a simple touch screen control with album art and playback controls on the Pi display. Touchscreen controls are pretty limited, and primary control is still within Roon itself or the Roon app on your phone.

    There's also a hidden button at the bottom right corner of the display to adjust screen brightness.
     
    Last edited: Oct 16, 2020
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  9. Taverius

    Taverius Smells like sausages

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    Same as with other cases, I suggest leaving the panel with the power plug off for ventilation when using a Pi 4.
     
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  10. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    Images not showing. :(
     
  11. scblock

    scblock Friend

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    I'm not sure why that would be, they are direct links to a server that requires no authentication. They weren't behind https though, and the server was returning a bad certificate if you tried. I fixed that problem, fingers crossed that was it.
     
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  12. Michael Kelly

    Michael Kelly MOT: Pi 2 Design

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    I think it's me and my new Google Pixel 4A. I've had trouble with some other emails where the inline photos don't show up. Coming from Apple there's a lot of stuff I need to learn!
     

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