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Thread: compact 4cm x 6cm protoboard layout connecting lcd + audio shield w/ spdif & line i/o

  1. #1
    Junior Member
    Join Date
    Oct 2020
    Posts
    8

    compact 4cm x 6cm protoboard layout connecting lcd + audio shield w/ spdif & line i/o

    Just sharing my compact protoboard layout connecting ILI9341 Touchscreen signals and audio adaptor (rev D) with line in+out, SPDIF in+out, and a couple input pots and a couple RG LEDs:

    Click image for larger version. 

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    It uses PJ-307 for line in & out and PLT133/T10W for SPDIF transmitter and EAPLRAA4 (though could have instead PLR135/T10) for SPDIF receiver. These audio connectors are underneath:

    Click image for larger version. 

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    It was actually quite difficult for me to solder, as it was trying to fit so much in so little space and had up to 3 layers of wires crossing:

    Click image for larger version. 

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    After I connected up a 2.4 inch screen & audio adapter & teensy, I found that it can be screwed into a 2x3 inch piece of wood, so it can stand stable upright or on any side:

    Click image for larger version. 

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    It is 2.5 inches high. I haven't figured out the best place to fix the ethernet adapater though. Unfortunate the ethernet header & ribbon connector is soo tall already that I think I might just mount the ethernet directly on the tensy since that height is used up anyway.

  2. #2
    Junior Member
    Join Date
    Oct 2020
    Posts
    8

    veroroute version

    Trying some layout program "veroroute" to make a cleaner layout: Click image for larger version. 

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  3. #3
    Senior Member
    Join Date
    Jul 2020
    Posts
    174
    That looks like fun. I remember a few years ago designing a small AVR platform and having Seeed manufacture the boards. It's cool to go from CAD to holding something in your hand.

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