Portablizing BOM

Discussion in 'General Discussion' started by Gman, Jun 23, 2016.

  1. Lollipop .

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    Lots of epoxy really. Also, mounting the jack on a perfboad/pcb gives you much more room to work with as well as more options for mounting, such as screw posts.
     
  2. GC64 .

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    I got a mount jack (something like this http://ebay.com/itm/391337809099) and secured it in the back with some JB Weld for safe measure. It works quite well
     
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  3. Redmagnusx .

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    Hey guys. Is there a write up available on how to do the low voltage mod for the 3.5" tft display?
     
  4. Aurelio The Fixer ᕕ( ᐛ )ᕗ Staff Member . . . . .

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    The driver boards are not all the same. If you have pics of your driver board send me a pm and I'll help you
     
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  5. Redmagnusx .

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    Sounds good, I'll pm you with the pictures tonight after work.
     
  6. Spencer Richardson .

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    Can anyone confirm that the 5" hdmi screen runs on 5v?
     
  7. GingerOfOz no wario Staff Member . .

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    Yes, it does. That's the screen I have and you just have to run 5v into the power line! No fancy stuff to it.
     
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  8. MasterfulMonkey .

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    Since RadioShack has a bunch of sales right now, would these speakers be good at $2?
     
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  9. link270 .

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    When looking for a display, what should I look for to determine if it might have a component vs composite connection? Also, is component really going to make that big of a difference in these small 5-7in screen? As most of them seem to be just composite video.
     
  10. YveltalGriffin .

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    Be sure to check the specs in the listing description. If you can find a model number, search up a datasheet; that's always helpful. I don't know of any common 5" screens that accept component, but the L7009 really is the go-to for 7".
     
  11. link270 .

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    Thanks for the reply.
    Maybe I'll just go for that one then, It looks promising enough.
     
  12. YveltalGriffin .

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    Of course. If you want, you can always scour places like eBay and AliExpress for bare TFT modules and driver boards. You might find a combo that fits your needs better than the L7009. Or you could buy just an à la carte component-accepting driver board and wire up a 5 inch LCD. The options are endless, depending on how much time/effort you want to devote to it. Just remember that the display is only one of the aspects of a good portable.

    And component does make a big difference in my opinion. I will never go back to composite after seeing Dreamcast RGB on my 5.6" screen.
     
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  13. Shank Certified Wiitard Staff Member . .

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    Ive gone through the BOM and made some updates.
    -Item names are now hyperlinked to the listings
    -Old listings were updated
    -A few descriptions were udpated
    -Part numbers were added to some screens to make them easier to find should the link 404 in the future
    -Several screens were added of various sizes and resolutions
    -Added some small but excellent speakers, my favorite magnet wire, and the beloved tiny Samsung flash drive
     
  14. Davuld86 .

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    I can't find a datasheet for the 800x480 5'' VGA/ Composite screen, how many volts does this run on?
     
  15. cheese the tallest memer in town Staff Member . . .

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    It looks like there is a linear regulator of some kind in the bottom left corner of the driver board, so it probably can take voltage in the 6-12v range, probably lower if you mod it
     
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  16. Stitches 2 and a Half Dollarydoos Staff Member . .

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    Gman once said that board can take from 12v to 5v. I have one and can confirm 12v works, but I have yet to test the lower end of its tolerance. Gman knows his shit though, so it'll most likely work as claimed.
     
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  17. DeoNaught .

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    On the 6.2" screen, in the BOM it says $57.94,
    but in the link it has $60.99

    Its not a BIG difference, but it is different.

    Just incase you guys weren't aware
     
  18. Shank Certified Wiitard Staff Member . .

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    Prices through ebay fluctuate, and syncing them would require way more effort than its worth. The prices listed are just to give you a ballpark of what they will cost.
     
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  19. Dave Mackintosh .

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    Any chance of getting whether the screen accepts 15khz/interlaced added to the BOM? Would be handy and save some people repeating questions.
     
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  20. Gman RTFDS Staff Member . . . . .

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    Both of the 5" screens in the bom do not accept interlaced video.
     

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