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Author Topic: Nova BigScreen MAME cabinet  (Read 2657 times)

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skr

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Nova BigScreen MAME cabinet
« on: September 16, 2025, 03:21:42 pm »
Hello everyone,

hope this is the right category for what I am up to - if not please feel free to move this thread!

I guess it's a story not unheard of here: grown up in the 80s and 90s videogames have been part of my later childhood.
The rare occassions when I had the opportunity to play real arcade cabinets, mostly during vacation in southern europe, have always been fascinating.
So after fiddling around with emulators quite a lot in the early 2000s it has since been a dream to have an own arcade cabinet one day, preferably fitted with a MAME setup.

Here we are, late April 2025, finally having the space for such a machine, an offer that did fit my wishes and using a weak moment of my wife - a Nova BigScreen has been bought  ;D



Fitted with a PS1 mod with Tekken3, a little rough around the egdes, but other than that quite what I was searching for.






The plan was and is to restore the cabinet where needed, keep the monitor and overall electric setup and build a MAME machine out of it. I made good progress in the last fews months, but a few things are still to do.

So if there is interest I am happy to share the steps so far with this project, as I was much enjoying reading through some of the topics here too  :)
« Last Edit: September 24, 2025, 03:13:41 pm by skr »

firedance

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Re: Nova BigScreen MAME cabinet
« Reply #1 on: September 17, 2025, 12:25:48 pm »
Nice find, you'll have lots of fun modding it then enjoying it for years to come when it's done :)

skr

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Re: Nova BigScreen MAME cabinet
« Reply #2 on: September 17, 2025, 03:48:37 pm »
Thanks!

First thing I did after having the cabinet sitting at home was actually a lot of research and prepare myself for having to spend quite some money :)
So I got into which desktop pc to be fitted in the cabinet and what additional hardware and software is needed to hook the arcade monitor up and to connect the controls.
 
I finally ordered an i5-14400F setup in a case that fits the drawer of the cabinet (a nice feature by the way, as the PC is very easily accessible), a Ultimarc J-PAC board and an AMD ATI Radeon HD7450.

While waiting for all that stuff to arrive I had a lot of reading to do on how to get the CRT-Emudriver working etc and also to e.g. think about what to do with the marquee. When I bought the cab a cheap Tekken 3 print on paper was fitted, which looked quite horrible (see above).
While searching around I of course stumbled upon Pixelcade, which I liked a lot, but the price, especially with shipment to europe, was an instant no-go.
I then also found a video from a guy who started a DIY alternative: - and decided that this was actually something I would enjoy to fiddle around with and would be worth to try make it work ;)
So I also ordered the parts needed for the DIY build of the pixel marquee: 2x 64x32 LED matrix, Raspberry Pi 3B+ and an adafruit bonnet to connect the Pi and the matrices.   

Lots of parts and a lot to do :D




First time hook-up of the PC to install CRT emudriver and the J-PAC - it's alive!


« Last Edit: September 24, 2025, 03:12:41 pm by skr »

bobbyb13

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Re: Nova BigScreen MAME cabinet
« Reply #3 on: September 17, 2025, 04:54:44 pm »
Excellent score!

Arcade machines are a cheap hobby relative to horses.
 :laugh2:

I love the deisgn of those cabinets.
If I had seen the drawer style machines earlier in my building days I would have put together more of them.
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

Zebidee

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Re: Nova BigScreen MAME cabinet
« Reply #4 on: September 18, 2025, 01:42:44 am »
I also love the design simplicity. I have one myself, fitted with a vertical CRT for playing shmups mostly. Love the drawer.

They are a little top-heavy with the CRT on top of that thin waist. Put your foot on the chrome kickplate to stabilise.
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skr

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Re: Nova BigScreen MAME cabinet
« Reply #5 on: September 18, 2025, 05:37:49 am »
[...]

Arcade machines are a cheap hobby relative to horses.
 :laugh2:

[...]
So true.
Horses are my wife's hobby - that been said I seldom have any discussions about the costs of my hobbies  :cheers:

Zebidee

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Re: Nova BigScreen MAME cabinet
« Reply #6 on: September 18, 2025, 08:00:30 am »
Horses are my wife's hobby - that been said I seldom have any discussions about the costs of my hobbies  :cheers:

I had a girlfriend who was into horses. Like, waaaay too obsessively into them. Anyway, she'd always steal my nice warm coat when going to the horse paddocks   :dunno

Then I got giardia - a nasty gut parasite rare in humans, passed among animals by faecal-oral route. She'd gotten ---steaming pile of meadow muffin--- on my coat and it made me sick, really sick   :puke

Then my soon-to-be-ex-girlfriend ripped my coat on a gate or fence or something   :angry:

I really miss that coat.
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skr

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Re: Nova BigScreen MAME cabinet
« Reply #7 on: September 19, 2025, 03:42:56 pm »
Back on topic - rest assured that horses will have no further role than using a horse trailer for transportation of the cabinet :)

The marquee 1/2

After arrival of all the parts (panels, Pi, a decent power supply) I started hooking up the two 64x32 panel and got the Raspberry Pi ready (DietPi) and loaded it with the needed libraries (rpi-rgb-led-matrix, Python, etc). Sounded straight forward, but actually took quite some time to sort out dependencies and get the panels working.
In the end, after fiddling around with the python example scripts for showing images or animations (.gif) it worked really well.

In the meantime I found out that Pixelcade is selling the Artpacks (images/animations) separately, so I figured spending 20$ would be the easiest way to get my hands on some material to be shown on the panels.

I then tried the windows scripts provided by the guy who showed the alterntive on youtube (see above and a huge thanks for sharing this!), but unfortunately they did not work for my out of the box. Might be due to being a few years old and me using the latest mame build, but after changing the script a bit and fixing a bug I actually got what I was looking for: the panels showing an image (the marquee) with the samel filename as the game loaded in mame  :notworthy:

But. Having purchased the artpack I also had a lot of beautiful animations specific for a lot of games which had to be used somehow. I figured that it would be awesome if it could somehow be done that the marquee (image) is shown when starting the game and if there is an animation (or even more than one) that the image and the animation are shown alternating. To get this working meant I had to get into pyhton scripting - new territory... :)
It took some weeks of using the spare time in the evenings to figure it out, but now I have a script that, if being feeded with the game name looks if there is an image with that name, shows it, looks if there are animations with that name (xyz, xyz_01, xyz_02,...), choosed one randomly and shows it and this alternates between the image and the animation - and I am proud of it :D

I then created a "standard" animation that is shown when the cabinet is started up, or when there is now artwork available for the game.

And here a video of how all of this looks like (never mind the sound, just background noise... sorry):
https://youtube.com/shorts/D06dET3z80g

I will cover the installation in the cabinet in another post :)     

skr

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Re: Nova BigScreen MAME cabinet
« Reply #8 on: September 23, 2025, 03:27:41 pm »
Marquee 2/2

After having the hard- and software side of the LED panels working the next step was fitting the panels to the cabinet.
While the width was no issue, the P4 panels are a bit too high to fit the marquee space in the cabinet without slight adaptation. But first things first - to fit the panels together and to screw them in the cabinet, I constructed and 3D-printed some parts:



Also a holder for the Pi was printed:


The needed space was removed from the board:


Panels fitted and to finish the look painted the board and the screws black:



After running the cabinet for a few hours the temperature of the Pi was a bit high, so I fitted heatsinks and printed a holder for a small fan to cool the Pi - no heat issue afterwards anymore :)



And finally a tinted acrylic glass was fitted to finish the marquee:


Done with this part :)
« Last Edit: September 24, 2025, 03:20:08 pm by skr »

Zebidee

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Re: Nova BigScreen MAME cabinet
« Reply #9 on: September 24, 2025, 01:30:52 am »
Sorry but for some reason, your dropbox images don't seem to be coming up properly in the thread. Can still see them if I open the image in a new tab though.
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skr

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Re: Nova BigScreen MAME cabinet
« Reply #10 on: September 24, 2025, 03:39:24 am »
Oh, that's a pity... Works flawless for me from my laptop or mobile though.
I will try to upload here again - it worked for the first post in this topic after resizing the images, but for the second post I could not get past the "security issue", no matter what I tried (resizing to different sizes, cropping) - so I gave up and used Dropbox...
If there are additional hints how to get image uploads here working - you're welcome to share them :)

Zebidee

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Re: Nova BigScreen MAME cabinet
« Reply #11 on: September 24, 2025, 01:14:00 pm »
What works for me is to crop and resize the images to 1080 max on a side, and save as JPG.

Then:

  • Upload the images onto the "NOT A PROJECT" thread.
  • Right-click and copy image link onto clipboard.
  • Paste the link into your actual project thread.
  • Highlight link and click on the INSERT IMAGE button (below the B for BOLD) on the new post toolbar to add IMG tags (or manually type in the tags).
  • Image size can also be specified directly in the IMG tags.

As an example, an to demonstrate that you can do it with any pre-loaded images, below is an image uploaded by Ond. I've resized it here to appear small, specifying width=320 - height is automatically adjusted to match. To show it at full size, click on it.





"Quote" my post to see how it was done, then assume Ond's posture and relax......   :cheers:
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skr

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Re: Nova BigScreen MAME cabinet
« Reply #12 on: September 24, 2025, 03:23:31 pm »
Well, thanks for the explanation! I tried again and it seems that the errors were due to one specific image only... :dunno Took another one and now it worked again. Also thanks for the image size thing in the post itself - makes the posts cleaner :)

So I hope it's now working  :D

skr

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Re: Nova BigScreen MAME cabinet
« Reply #13 on: Yesterday at 03:37:46 pm »
Next up - the cabinet

Unfortunately the cabinet has seen some moisture during the past 40ish years, resulting in swelling (is that correct?) of some of the lower parts made of chipwood. The severest affected parts being the sides of the foot, those had to be replaced - a decent visual condition of the cabinet is essential to gain accepptance as a piece of furniture in the family :-P

Initial condition of the foot sidepanels:


A mate of mine knows a carpenter with a CNC mill, so I created the outline + screwholes in CAD and he manufactured the parts from laminated chipwood as the original ones. The only missing part was the countersunk part of the holes and the groove for the T-molding (salvaged from the original panels), I did those myself:



Face painted black (as the original panels) and T-molding mounted, finally attached:




The rest of the cabinet was already quite decent. A proper cleaning, new locks, some new screws, a missing service-door in the rear (found this one on ebay) and some touch-up + polishing of the metal parts and the appearance is great :-)

With this done electrics and ventilation have been adapted.
As written above I already installed the PC and the Pi for the marquee + an additional fan for the Pi. For the PC I also wanted to have an additional fan / ventilation, transporting heat out of the cabinet. So I printed a holder for a 80mm fan blowing down behind the PC:



Due to the installation of the PC and the Pi for the marquee I wanted to have separate switches to power  the PC, the Pi (or better the 5V power-supply for the Pi and the sound-amplifier to use the original speakers of the cabinet) and the cabinet itself. I integrated those switches in a 3D-printed coverplate for the hole in the back of the foot and combined it with an additional 80mm fan:



The 5V powersupply found its home in the back of the cabinet:


Wiring done:


Missing: software and an overhauled controlpanel :-)