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Documents LGBG Update: LCD and Gate image test
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  • Author Author: makerkaren
  • Date Created: 25 Apr 2017 7:36 PM Date Created
  • Last Updated Last Updated: 7 Aug 2017 9:39 PM
  • Views 716 views
  • Likes 1 like
  • Comments 1 comment
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LGBG Update: LCD and Gate image test

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Ben is finding new and interesting ways to generate graphics for the logic gate board game. This just keeps getting more interesting. Here's the prototype Ben is working with today.

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Want to help with the build?

We are having to use a smaller screen than is desirable. This means our inputs will have to be smaller. I found magnetic bag clasps that are great, but they are a bit big. Now we're looking for an alternative for connectors. Regular header pins are not durable enough nor large enough for a child to be able to manipulate them easily. So we need connectors that are around 1/8"-1/4" in diameter and easy to use. The kicker is that they have to be inexpensive in bulk and preferably SMD. We looked into using 3mm jacks like often used for audio cables. The problem is finding SMD jacks that mount perpendicular to the board rather than flush. Tricky tricky. Have any ideas? Post in the comments below!

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  • adamwtow
    adamwtow over 8 years ago

    Might be too late but rather than the PIC32MZ2048EFM, why not go with a C.H.I.P. or a C.H.I.P Pro from NextThingCo? I think the cost would work out similar when considering all the other components you won't need to buy and source. They do offer bulk orders of the C.H.I.P Pro. Someone has figured out how to drive many different low cost LCDs (including up to 7" screens, possibly larger) and open-sourced the schematic (which includes an SD card adapter) and the code and also sells the board (called Tzatziffy II) all made up on his store the Chip Dip Shop. Going this route would make designing a GUI significantly easier and likely save on development time overall. There's also enough GPIOs and SPI/UART left over to add some shift registers.

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