Custom button pcb gameboy SP

Discussion about other hardware (including other Pi-like boards)
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moosepr
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Re: Custom button pcb gameboy SP

Post by moosepr » Tue Mar 21, 2017 12:41 am

You could use this..

https://oshpark.com/shared_projects/BP9tGKag

That will take a tiny space behind the screen, but then there are the 8 cables in the hinge to contend with.

Would 8 wires from a ribbon cable roll up and fit in the hinge?
Get a small cheep LCD in your project http://www.sudomod.com/forum/viewtopic.php?f=22&t=2312
Wrap it all round a battery http://www.sudomod.com/forum/viewtopic.php?f=13&t=2292
Or use a custom PCB to make it really small http://www.sudomod.com/forum/viewtopic.php?f=13&t=2512
or make it really really really really tiny!! http://www.sudomod.com/forum/viewtopic.php?f=13&t=2919

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abrugsch
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Re: Custom button pcb gameboy SP

Post by abrugsch » Tue Mar 21, 2017 3:16 am

I think a version of that with an FPC style connector and a small ribbon would do perfectly... (that's how the SP and DS screens work)
did you make the footprint for the screen yourself or was it in a library?

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moosepr
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Re: Custom button pcb gameboy SP

Post by moosepr » Tue Mar 21, 2017 3:28 am

i made my own eagle library

https://github.com/moosepr/eaglez

got the pads for the charge/protect board (03962A.lbr), the zero with the smd pads that i use (RPI-Zero.lbr) the 2.2/2.8 ili9341 screens (ili9341.lbr) and the 1.44" 128x128 screen (untested ST7735S.lbr) and then there is one for a smd piezo that i bought (PKLCS1212E4001.lbr)
Get a small cheep LCD in your project http://www.sudomod.com/forum/viewtopic.php?f=22&t=2312
Wrap it all round a battery http://www.sudomod.com/forum/viewtopic.php?f=13&t=2292
Or use a custom PCB to make it really small http://www.sudomod.com/forum/viewtopic.php?f=13&t=2512
or make it really really really really tiny!! http://www.sudomod.com/forum/viewtopic.php?f=13&t=2919

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moosepr
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Re: Custom button pcb gameboy SP

Post by moosepr » Tue Mar 21, 2017 1:27 pm

I found some tiny smd buttons

Bourns 7914g

Image

Clicky, but silicone tops so they are not to noisy

Minifig Micky for scale
Image
Get a small cheep LCD in your project http://www.sudomod.com/forum/viewtopic.php?f=22&t=2312
Wrap it all round a battery http://www.sudomod.com/forum/viewtopic.php?f=13&t=2292
Or use a custom PCB to make it really small http://www.sudomod.com/forum/viewtopic.php?f=13&t=2512
or make it really really really really tiny!! http://www.sudomod.com/forum/viewtopic.php?f=13&t=2919

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abrugsch
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Re: Custom button pcb gameboy SP

Post by abrugsch » Tue Mar 21, 2017 6:32 pm

Not bad, but probably still too thick. While desoldering some cart ports from DS boards I noticed that the start/select buttons on that are the same type as the SP. I'll try and see if they come off nicely and can be re-purposed.
Edit:
Or something like this:
http://m.ebay.co.uk/itm/20-x-SMD-SMT-4- ... 1745254433

codeman0624
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Re: Custom button pcb gameboy SP

Post by codeman0624 » Fri Jul 21, 2017 10:51 am

Has this gone anywhere lately?

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Mikethesith200
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Re: Custom button pcb gameboy SP

Post by Mikethesith200 » Tue Aug 08, 2017 4:23 am

Moose, I'm using your ILI minimal board with a bare 2.8" tft for my GBA SP build. I used very small smd tactile buttons. Having trouble with space for a usb dac though.

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Eccho
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Re: Custom button pcb gameboy SP

Post by Eccho » Tue Aug 08, 2017 4:50 am

I would still prefer a GBA bard over a SP, the hand placement is so much better and intuitive. SP gives me cramps :lol:

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kite
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Re: Custom button pcb gameboy SP

Post by kite » Tue Aug 08, 2017 5:13 am

From what I can tell the GBA LCD is DPI compatible in RGB555 mode with PCLK and VSYNC only (might require some funky settings though) but it would only get you 240x160.. could be an interesting project one day to use the original LCD ;)
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codeman0624
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Re: Custom button pcb gameboy SP

Post by codeman0624 » Tue Aug 08, 2017 5:28 am

I've made a custom 'super' AIO board for the GBA SP. It's done and working, just need to finish finding a battery to fit. I'll post it soon when it's completed.

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