Petite LED Cocktail

[CoryBee]

Had an itch to make a mini cocktail after going over JKDubb's UCA Winning build and saw these. Made me a bit "gitty" inside and had to attempt a working mini cocktail.



I am going for a more traditional look for the cocktail, a bit like the full size cocktail build I just finished (but itsy bitsy).

Hardware

I wanted to keep the cost down so I ordered a used "Samsung SCH-R880" instead of what I have seen most minis made out of (Dingoo, GBA, etc). They may be easier to configure but I knew I could bend android to my will  . I was originally going to hack a bluetooth keyboard up to whatever cell phone I purchased but then realized that I could get a cell phone with a slide out keyboard and hack that.



Joysticks will be these (haven't came in yet). Part number GH7455-ND on digi-key.



For the buttons I went with these. They are the perfect size and there is a similar model that is lit up with LEDs that I could not find. I am going to open them and hack in an SMD LED. There is space just for them in it (perfect!).



Pac-Man (With cocktail flipping!)



Software\Apps

Firstly I rooted the device, this is useful for a ton of reasons regardless of using it for an arcade.

I was going to write a custom rom image for it (and still might) but wanted to see if I can do it with just rooting it and messing with apps as the first would be phone specific.

Here is a list of apps needed to basically shell the front end

• No Lock - This eliminates a lock screen from start up. So no need to touch screen
• Auto Start - This will start any app you wish on startup, will use this to start MAME4Droid
• Holo Launcher - Use this to disable the pull down bar at the top of the phone and other settings like auto-rotate
• Root Browser - This is needed to browse through the phones system folders and make changes that are not accessible through normal file browsers
• MAME4Droid - The MAME+Frontend I will be using
• Root APP Delete - Use this to uninstall applications that came with your phone that wont be needed; like navigation, camera, maps, etc. This will speed up the system.

Will post another update\more information soon after I finish some regular work.

[Yvan256]

Another micro build added to my watch list!

Somewhere at Digi-Key, somebody is asking "What's up with part number GH7455-ND? We sold more in the last few months than in the last decade!"

P.S.: for the buttons, had you seen these?

[sabreerbasAlpha]

OMG CoryBee do you even sleep or do you just Knock out amazing Cabs all day and night. Another Sub..He we go again. 

[CoryBee]

Been busy with the cabaret trifecta to post an update.

One of the main reasons I wanted to get root level access was so I can save the Mame4Droid files and the roms on the phones memory so I don't waste one of my SD Cards for such little space. There will be probably 10 - 20 games on it I think.

Build pictures

The top panel of the cabinet will be roughly 6 inches in length. And the base about 5 1\2 inches.



The top will also be two pieces of the thin MDF I got



Base cabinet pictures - the little pieces to the right are the supports



Assemble









Figuring out the dimensions for the top panel - It is a pain to do the math for such small measurements



Using the same technique I used on my full size cocktail build to cut the screen section out



The flush trim bit on the router is obviously too big for the job so I improvised and used my new dremel to follow the guides. Adjusted it so it sits just on the empty part of the bit.



Voilla!



Cleaned up the edges with the jigsaw's smallest blade and did some more measurements

[Louis Tully]

.

[Nephasth]

Looking good!

[Jigenjuke]

Now you're just showing off. 

Awesome stuff man. I hope to make a micro cab one of these days. Keepin' my eye out for an Advance SP of craigslist.

What he said!  Good show Cory, will be watching.

Jigenjuke

[CoryBee]

Thanks fellas, got a little bit further and will post some more pictures. Resizing it a bit as I think the base should be a little bit shorter.

Doing the little control panels will be a blast for sure!

[Jigenjuke]

Thanks fellas, got a little bit further and will post some more pictures. Resizing it a bit as I think the base should be a little bit shorter.

Doing the little control panels will be a blast for sure!

Cory, looking forward to see how this turns out.  I will be making a mirco cocktail joust sometime in the near future.  Good luck.

Jigenjuke

[CoryBee]

Stripping the phone of its pretty shell





Screen and main=board separated (but not without issue......)



I wasn't careful enough while removing this metal shield (the main slider assembly) and tore part of the ribbon cable.... My heart dropped. 



I powered the phone on hoping to see the screen and voilla! It turned on.....Unfortunately I lost all use of the touch screen and home buttons. But the screen still worked which is enough for me as I have the keyboard which is plenty to navigate the phone and finish shelling MAME.

Ripped cable



Tape to keep it from tearing any further



Anyways, back to the fun.

LCD screen removed (very carefully) from the touch digitizer glass



Thanks for looking!

[jdbailey1206]

Kudos to anyone who does a mini cab.  I get enough of a headache just dealing with a regular sized cab.

[Yvan256]

I think one way of officially differentiating between a mini-cab and a micro-cab would be those GH7455-ND joysticks. If a cabinet uses them or something as small as those, it's a micro. 

[jdbailey1206]

 

[sabreerbasAlpha]

looking Good Cory looking good my friend. I like the work with dremel my friend. Cant wait to see this finished it looks super cool.

[mcseforsale]

subscribed...

AJ

[yotsuya]

subscribed...

AJ

I'd love to see your subscription list one day... 

[mcseforsale]

Just further proof that AJ is always watching.

Once the basement is in a better state, I'll be starting a lot of new projects. 

AJ

subscribed...

AJ

I'd love to see your subscription list one day... 

[PL1]

subscribed...

AJ

I'd love to see your subscription list one day... 

Why wait -- you get 32 hits searching for "subscribed" by author "mcseforsale".   


Scott

[mcseforsale]

Wow.  that's less than I thought.  I try to subscribe early and often.

AJ

subscribed...

AJ

I'd love to see your subscription list one day... 

Why wait -- you get 32 hits searching for "subscribed" by author "mcseforsale".   


Scott

[PL1]

Wow.  that's less than I thought.  I try to subscribe early and often.

Those are the ones where you posted the word "subscribed" in the thread.

Not sure how else to determine what threads someone has subscribed. 


Scott

[Nephasth]

Wow.  that's less than I thought.  I try to subscribe early and often.

Those are the ones where you posted the word "subscribed" in the thread.

Not sure how else to determine what threads someone has subscribed. 


Scott

If you don't want to be instantly notified by email of new posts, click Add Bookmark at the top of the thread (Notify if you want email alerts). Then at the top of the forum there is a My Bookmarks button, click that and it will show which threads you have bookmarked.

[CoryBee]

Kudos to anyone who does a mini cab.  I get enough of a headache just dealing with a regular sized cab.

This thing is definitely a headache but every time I finish a part so tiny it makes it all worth it.

Cant wait to see this finished it looks super cool.

Me too good sir, me too.

[Nephasth]

Get her back on course! Post more

[CoryBee]

I have more to post, the control panel for player one is complete. But lady friend is hungry so we are off to Pancake Palace.

Her just now, "are you on your arcades again...."

[Le Chuck]

Micro the shizzle outta that build patron!

[CoryBee]

Itsy bitsy teeny weenie control panel thingy



Everything will get a good sanding with a high grit before paint is applied

Holes drilled



Fits snuggly



Since I am under-mounting the joysticks I need to "route" out some space so it is more flush - This was accomplished with an exacto-knife



After tracing all CP parts for player two it is time for assembly



Voilla!







Here you an see where one of the buttons had been converted to LED via SMD parts (more on this, and pictures,  later)

[PL1]

Not sure why you aligned the joystick with the top of the buttons instead of the bottom.   

Won't the vertical side block a 2-finger-grip on the stick?


Scott

[Nephasth]

Won't the vertical side block a 2-finger-grip on the stick?

I'm betting it's going to be a thumb on top of the stick "grip".

[Le Chuck]

Not sure why you aligned the joystick with the top of the buttons instead of the bottom.   

Scott

I'm guessing that bottom alignment would put the body of the base of the stick pocking out a mm or more past the face of the CP and raising the buttons would not be a good solution either.  Increasing the size of the whole attachment would solve the problem but create others in terms of scale. 

[PL1]

Not sure why you aligned the joystick with the top of the buttons instead of the bottom.   

Scott

I'm guessing that bottom alignment would put the body of the base of the stick pocking out a mm or more past the face of the CP and raising the buttons would not be a good solution either.  Increasing the size of the whole attachment would solve the problem but create others in terms of scale.

You nailed it -- checked one with the micrometer and it's closer to the front edge than I originally thought.


Scott

[Nephasth]

You nailed it -- checked one with the micrometer and it's closer to the front edge than I originally thought.


Scott

Micrometer? Or did you mean calipers?

[PL1]

Micrometer? Or did you mean calipers?

6 of one, 1/2 dozen of the other.  Mine look like this.

Use whichever term you prefer.

When I read "calipers", I think of these.



They're good for some measurements, but not for .001" accuracy.


Scott

[Nephasth]

Micrometer? Or did you mean calipers?

6 of one, 1/2 dozen of the other.

It comes from my mechanic side.

[Le Chuck]

Wait, so you held a ruler up to the screen?

[CoryBee]

---gosh-darn--- it guys?! Calipers!!!! Micromachines!!!!! GET IN LINE!!!! 

Won't the vertical side block a 2-finger-grip on the stick?

I'm betting it's going to be a thumb on top of the stick "grip".

Perfect ^^

You will hold it with one hand on each side played by your thumbs mostly.

Just like my full size cocktail the controls are a bit inside the machine and tilted at an angle. This one will almost look exactly the same, just tiny.

[PL1]

Wait, so you held a ruler up to the screen?

Pretty much.  I used ratio comparison (handle diameter:shaft to edge distance) and also a foreground-miniature technique (photo on screen, hold the joystick up so it appears to be the same size/orientation) -- the usual photo-interpreter-type tricks to double-check.

Both methods work great on a 46" TV.
[/derail]

GET IN LINE!!!! 

Sir, yes Sir.  Falling in, Sir.




Scott

[CoryBee]

Player two's CP assembled





Top piece cut in a similar fashion as the full size





Routed out space for the screen to sit flush (used the full sized router for this, very....very carefully)

[Mungo9000]

  I'm loving this build!

[Sjaak]

Great work 

[CoryBee]

I'm loving this build!

 

Great work 

Thanks for stopping by Sjaak, hope all is going well on the Felix front.

Quick picture of things put together, paint is drying now. Soon will mount the screen and electronics will be soldered up.

Anyone got any good ideas on how I should secure the acrylic to the top??