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Newbie and question about Ipac

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Richardgregory:
Hi folks:

So it's winter and I need a new project, so I decided to dive into setting up Rasberry Pi 3 and MAME.  As far as controls go, do I need to order an Ipac to wire up the joysticks and buttons?  Or is there another way to do this?

Thanks

sinfolmatt:
There are other options.  My first build was with an iPac.

I am making a second now and using these which are cheaper.
https://www.amazon.com/gp/product/B00UUROWWK/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1

It depends on your plan for the build (number of players, buttons for each player, just mame or other consoles emulated?)Personally the iPac is better if you are willing to spend more because you can reprogram the keys, program shift keys and more.  But for a simple setup a cheaper usb encoder can work also.

I think you can also wire directly to the GPIO headers on the pi and program those but I have little experience with that.

JDFan:
What type of CPO setup ??

If using only a few inputs you could go directly to the GPIO pins and grounds and not have to buy anything -- Here is a pinout for the GPIO pins - those in green are available for buttons and some of the yellow can also be used depending on the peripherals you are also using.



Here is a link to a decent tutorial on setting one up from adafruit - https://learn.adafruit.com/retro-gaming-with-raspberry-pi?view=all

mahuti:
FYI, connecting to the GPIO will cost almost as much in hardware (unless you solder straight to it) as it costs to get that encoder mentioned on amazon. A GPIO breakout kit will cost almost as much or more as well. GPIO is great... but those boards on Amazon work great for a simple set up and they are really cheap, I bought about 4 and I haven't had any troubles with them.

JDFan:

--- Quote from: mahuti on December 13, 2016, 10:14:15 am ---FYI, connecting to the GPIO will cost almost as much in hardware (unless you solder straight to it) as it costs to get that encoder mentioned on amazon. A GPIO breakout kit will cost almost as much or more as well. GPIO is great... but those boards on Amazon work great for a simple set up and they are really cheap, I bought about 4 and I haven't had any troubles with them.

--- End quote ---

Or just buy a set of these for $1.14 on EBAY ( http://www.ebay.com/itm/2014-New-Female-To-Female-40-pcs-Wire-Cable-Line-1p-1p-Pin-Connector-20cm-2-54mm-/171359763130?hash=item27e5d67aba )



and use them individually on the GPIO pins as needed - cut of the other end and crimp on a  Quick disconnect  to the other end for attaching to the switch - about $4 for a 25 pack on ebay ( http://www.ebay.com/itm/25-Vinyl-Female-Quick-Disconnect-Terminal-16-14GA-AWG-gauge-Blue-0-187-Wire-/121916873852?hash=item1c62cfdc7c:g:oUQAAOSwzJ5XV80v )

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