Connecting Seimitsu LS32-01 or Sanwa JLF to non common ground xbox360 pads

SWEET !!! Can’t wait to see your work

sixaxis pinout for reference

http://i79.photobucket.com/albums/j138/gocontourgo/projects/cgmod.jpg

Here is a quick and dirty schematic for my dual mod with a wireless 360 controller and sixaxis controller.

For simplicity, I only drew the schematic for the Up button.

I used a 1kohm resistor to connect pins 7+8 and 13+14.
Here, pin 3 is the Up signal and pin 7 is the common line for pins 1-6. Pin 3 is connected to the emitter pin on the PNP transistor and pin 7 is connected to the collector pin on the PNP transistor (I’ve tested connecting to either c and e pin and it worked, so idk if it matters or not? need feedback).

At first I only had a 1k ohm on the PNP’s base pin. It worked if only one button was pressed but then I noticed when more than one was pressed, all the buttons on that common line would also become pressed. I tested adding more resistance and the resistor red,red,orange (22k ohm) got the job done.

I added a diode to the up signal on the 360 controller so it wouldn’t interfere.

notes on the resistors on the PNP base pin. I didn’t add a 22k ohm resistor for the start,select, and PS buttons as they worked fine with just the 1k ohm. Also another button didn’t use a 22k ohm resistor, but I can’t remember which one (I’m @ work atm)

More testing of this circuit is needed, but so far it is working for me. If a more refined circuit is done, I think it could make a nice addition to the AXISdapter.

Another note, a PNP transistor is used for each button, not a NPN one. There is a difference.

Great work, speedsterharry! I’d this problem with a dual mod xbox360 and ps2 pcb, too. xbox360 was ncg and ps2 was ncg and some of the buttons active high. I love it when a plan comes together :wink:

Really interesting, dual mod with wireless part. Keep us informed! Time to setup a eagle layout for this task, eh?

I had to google eagle layout to find out what it was. It looks pretty sweet.

I’m still working out the details on how I’m gonna power it wireless and have it be able to hook it up to the system through usb. For now I’m testing out the wired part of the dual mod. I found out something interesting while working out the switch for the usb cable. If the sixaxis doesn’t have the usb D- and D+ connected, the board will not power on through usb, even if the usb +5v and gnd are connected. I still don’t quite understand the wireless 360 controller’s charger pinout. I’m fairly certain that there’s some type of electronics inside the charger cord. Anyone have some info on its pinout? This is what I have figured out

  1. 5v
  2. D-
  3. D+
  4. ?
  5. ?
  6. ?
  7. Gnd

Edit: I prob should start a new thread

Hi ,

of course there is lots of electronics in the charger cord (in case you mean the Play’n Charge Kit) I’ll shot you some photos.

Hi, i want to do a dual pcb mod with an ps2 and 360 controllers.
Firs i tried with 4066 and the 7404, the 360 worked very well but con the ps2 the left and right direction kept pressed.
Now i’m trying with the pc817 and sombe buttons gets pressed on the 360 just when i apply 5v to the resistor.
Please help

Hi Kain: which value for the resistors do you take? Do you’ve shorts in your circuit?

Neanwhile a little PCB is born:

SAM
http://4.bp.blogspot.com/_YLXgzxS8cEc/SlbPqXQeT9I/AAAAAAAAAqQ/pEKRwtRcXx0/s320/CIMG0799.JPG

SAM is Stick Adapter MOD for Sanwa JLF and Seimitsu LS32-0 like sticks.
Since almost all known xbox360 pads are not common ground it’s difficult to assemble xbox360 with premium stick like the Sanwa JLF or Semitsu LS32-01. This widley used sticks have a common ground 5 pin connector and are not compatible to the most xbox360 controllers. This adapter pcb solves this problem.

Check out TIMand LIM

I use 4.7k resistors, i’ve been doing some research and i think the signal when you press the button goes to the ps2 controller and makes this problem. I guess that maybe the ps2 controller has some sneak current, so i’m gonna try to use a 1N4148 diode on the connections of the ps2 controller and se what happens

Hi,

I’ve assembled my common ground mod. Here’re the pics. This circuit allows you to connect Seimitsu sticks like 32-01 or Sanwa JLF to non common ground PCBs.

http://3.bp.blogspot.com/_YLXgzxS8cEc/Sl4Xex2r6YI/AAAAAAAAArU/fE4OeaCSo04/s320/CIMG0828.JPG

Here’s an closeup. Just connect the stick and PCB with standard delivered cables.

http://4.bp.blogspot.com/_YLXgzxS8cEc/Sl4Xev3Z4LI/AAAAAAAAArM/mP_YyqwlRoM/s320/CIMG0827.JPG

Yo, connected to a LS32-01

http://2.bp.blogspot.com/_YLXgzxS8cEc/Sl4XeNxRzGI/AAAAAAAAArE/SBNKWNQsvas/s320/CIMG0817.JPG

I’ve some more left: First com first serve

Thats pretty sweet

They look very clean.

Very nice bencao

thanks guys… :slight_smile:

can someone help me convert the whole non-common ground pad into common ground pad so that i can use it to dual mod with common ground stick?
i have gamestop BB-070 pad that i like to use for this.
http://www.joystickvault.com/showphoto.php?photo=452

i know i should just get common pad or use this for stand alone custom stick… but any help would be appreciated.

Hello everybody!

I am trying to make a dual mod with a mayflash’s series pcb and a wireless oficial Xbox360 late version pcb.

It is this model of xbox’s pad common ground or not? Because i thought it was, but this post says that there are not common ground pads now, and in this web http://bencao74.blogspot.com/2009/04/common-ground-mod-for-wireless-xbox360.html Bencao said that pad need a fix to work with my Seimitsu Ls32_01

I dont understand it…:rolleyes:

why would you post that here?

Check the sticky for the pad hacking thread.

because I am asking about post’s information
merry christmas!!

I tried to do one of this with an 817 but with no success my main question is : I know the GND for this mod is from the GND joystick point connected with the GND from USB. But what I don’t get is how it does not work.

5v from USB goes to 1k ohm then goes to the anode of the 817.
Signal from joystick goes to the thing below anode (cathode?)

it should make the connection

and 3 and 4 are going to the PCB’s Down and GND Down.

still, it happens nothing at all. Any suggestions? should I be lowering the resistor?

Here’s the schematic for an IC with 4 optocoppler (PC 817x)

http://2.bp.blogspot.com/_YLXgzxS8cEc/SagM0FKzR3I/AAAAAAAAARs/CBCL6rDA_MU/s320/xbox360+optocoppler+common+GND.gif

Make sure that you don’t have any shorts with a multimeter. Check your wiring.

perhaps change this lines. Could you send a pic?

yes I definitely going to post a picture of my (laughable) effort.

http://4.bp.blogspot.com/_eVEAMjIvZEs/TJPbL5F7i_I/AAAAAAAAAAc/3e2liGYbfGo/s640/SPM_A0460.jpg