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Atari 5200 digital arcade stick with keypad and rapid fire


grips03

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I'm making an Atari 5200 digital arcade stick with keypad and rapid fire. Its based on the NeoGeoX controller with a different PCB, buttons, etc.

It connects directly to 5200 using a deep socket db15 cable.

 

It looks like the Intellvision and Colecovision controllers I make. Its powered directly from the 5200.

 

I've tested pcb rev3 and it works well.

Rev4 is like Rev3, but a little cleaner.

Rev5 allows any normally open (microswitch) joystick to be used.

 

More details after the holidays.

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Edited by grips03
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  • 2 weeks later...

 

Ditto. Would it help if we provided the SNK Controller?

 

yes, it would, as I have run out of NGX controllers. Either the NGX or original Neo Geo AES controller work. I'll have 3 more PCBs around Jan 25-26th.

 

I can return the old guts of the controller to you if you go this route. Price would then be $110, not $160.

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Directions to wire grips03 Atari 5200 arcade controller PCB

 

Board size and mounting

1.66 inches wide x 2.95 inches tall

Right side mounting holes are 2.75 inches center to center

 

Rapid Fire - only needed if you plan to use rapid fire

Fuse = 125ma - or something around this range, circuit does not draw this much power, this is just to protect in case you do short power to ground

Rapid fire cap = 1uf

Rapid fire IC = NA555P from TI

 

for rev3 and rev4 pcb

where it shows 10k I put a 1/4 watt 1.5K resistor

where it shows 47k I put a 1/4 watt 150K resistor

 

this makes the rapid fire timing awesome for Defender and Moon Patrol

 

Direction Resistors

I use (4) 560k and (2) 15k 1/4 watt resistors - other values close to these may work as well, depending on R132 pot adjustment on the console itself. Pete's cart helps to adjust.

 

bottom right side pads (from bottom working up)

A = primary button = bottom side button

B = secondary button = top side button

GND = other side of A and B buttons

 

C=primary button with rapid fire

D = secondary button with rapid fire

RA = other side of C and D buttons - RA is short for rapid

 

NC = no connection

 

 

middle right side pads (from bottom working up)

U = UP = normally open

D = Down = normally closed

V = other side of Up and Down microswitches

 

L = Left = normally open

R = Right = normally closed

H = other side of Left and Right microswitches

 

NC = no connection

 

top right side pads (from bottom working up)

S = Start

P = Pause

R = Reset

COM = other side of Start, Pause, Reset buttons

 

NC = no connection

 

top 15 pads connect to Atari 5200 (from left to right)

1 to 1, 2 to 2, 3 to 3, 4 to 4 etc. all the way to 15

 

I use YS-006 (search ebay) db15 deep socket cable, it's color code is below:

pin 1 = brown

pin 2 = red

pin 3 = orange

pin 4 = pink

pin 5 = yellow

pin 6 = green

pin 7 = aqua

pin 8 = blue

pin 9 = purple

pin 10 = gray

pin 11 = white

pin 12 = black

pin 13 = brown / white

pin 14 = red / white

pin 15 = black / white

 

 

bottom 7 pads - keypad (from left to right)

Rev3 pcb = pin 2 7 3 8 1 5 6

Rev4 pcb and above = pin 6 5 1 8 3 7 2

the matrix keypad pin numbers at the bottom match the atari 5200 pin out for the keypad

 

Sparkfun.com 3x4 matrix keypad = P/N COM-08653

from left to right if looking at the back of the keypad = 6 5 1 8 3 7 2

 

bottom and side pads are sized for JST-XH connectors

 

here is a reference to wire them:

http://web.archive.o...h/5200cont.html

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Edited by grips03
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