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Author Topic: AimTrak-Converting a Namco Recoil Gun  (Read 72669 times)

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RetroACTIVE

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AimTrak-Converting a Namco Recoil Gun
« Reply #120 on: October 19, 2012, 07:54:19 am »
Connect everything up... Except the AimTrak to the recoil circuit.  Measure the voltage @ the resistor where it would connect to the AimTrak.
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Endprodukt

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #121 on: October 19, 2012, 08:33:54 am »
I get the 24 (23,55v) from the power supply. I also tried something: Holding com at the drain and touching the resistor with + (dmm is on continuity) will make the kickback work.

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #122 on: October 19, 2012, 09:12:42 am »
I get the 24 (23,55v) from the power supply. I also tried something: Holding com at the drain and touching the resistor with + (dmm is on continuity) will make the kickback work.

You should not be getting 24V from the power supply on that pin of the transistor.  It should be zero volts. The AimTrak should be allowed to drive that pin high (to +5V) to bias the transistor.  If you have 24V on that, you will mess up your AimTrak, hence why its causing the AimTrak to not work when connected.
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #123 on: October 19, 2012, 09:15:39 am »
So why am I getting 24v? Maybe I measured wrong: Com at drain, V at the resistor.

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #124 on: October 19, 2012, 09:25:20 am »
So why am I getting 24v? Maybe I measured wrong: Com at drain, V at the resistor.

I'm not sure... you should put your meter V lead on the 1K resistor that is connected to pin 1 (base) and your common lead onto pin 3 (emitter) of the transistor.  The base should be isolated from +V, it should not read 24V
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #125 on: October 19, 2012, 09:33:38 am »
Okay, measured as you said and I'm getting 0.001 mv.

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #126 on: October 19, 2012, 09:42:49 am »
Okay, measured as you said and I'm getting 0.001 mv.

Ok that sounds better.

How are you connected to your AimTrak?  Are you using a connector housing or did you solder directly to the board?

Thanks
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #127 on: October 19, 2012, 09:50:12 am »
I use the white connector. I removed the cable for button 1 from the connector and put it on the insert next to ground. Before I did that I had it soldered directly to the board. I double checked and there is no splatter or connection between the points that's not supposed to be. pin 4 gets contact to the board and the wire.

edit: just to be sure that one AimTrak is faulty, I checked with two different AimTraks with the different results when connecting:

The transistor will heat up. One AimTrak disconnects... the other will not. This is getting stranger every minute.
« Last Edit: October 19, 2012, 10:49:26 am by Endprodukt »

Endprodukt

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #128 on: October 19, 2012, 11:01:02 am »
You know... everything worked. Both guns. Just a different power supply. Maybe it's not me doing something wrong. Problem is... the power supply that actually worked with the guns had a short while I wanted to get it out of the cabinet (touched some metal part) and now I cant test it.

The power supply I'm using now is the one in the picture and will work for the solenoid as mentioned. Just not in connection with the aimtrak. I can adjust the voltage from the power supply. right now it's running at 23,7V with 2,2A.

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AimTrak-Converting a Namco Recoil Gun
« Reply #129 on: October 19, 2012, 11:17:13 am »
Maybe there is something wrong with the grounding of those supplies that don't work.
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #130 on: October 19, 2012, 11:22:54 am »
okay, as long as the the aimtrak is still beeing recognized, I didn't destroy it and it can't be the aimtrak?

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #131 on: October 19, 2012, 11:49:49 am »
okay, as long as the the aimtrak is still beeing recognized, I didn't destroy it and it can't be the aimtrak?

If it still works then you are probably ok.. I am a bit concerned that when you connect it up it causes that weird behavior.  Its almost as if its driving the transistor partially on. 
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #132 on: October 19, 2012, 12:01:33 pm »
Yeah but it was doing that weird stuff on 3 guns when I connected the power supplys that didn't work.... everything was fine with the other one. maybe really just the ground?

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AimTrak-Converting a Namco Recoil Gun
« Reply #133 on: October 19, 2012, 12:12:51 pm »
Yeah but it was doing that weird stuff on 3 guns when I connected the power supplys that didn't work.... everything was fine with the other one. maybe really just the ground?

Yes could be...

PM sent ;)
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #134 on: October 21, 2012, 07:01:13 pm »
For those of you encountering the same problem I had (hum from the solenoid etc., read the thread):

You have to connect the ground wire from the AimTrak to the E (3rd) pin of the tranistor. This will solve the problem.

Thanks again for all the help.

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #135 on: October 21, 2012, 07:48:27 pm »
For those of you encountering the same problem I had (hum from the solenoid etc., read the thread):

You have to connect the ground wire from the AimTrak to the E (3rd) pin of the tranistor. This will solve the problem.

Thanks again for all the help.

I've updated my first schematic to include this connection :)

Also if you are copying my second design (the one that I've built my boards from) you would not experience grounding issue that Endprodukt had... because I've isolated the power supplies from each other with my second design.
« Last Edit: October 21, 2012, 07:59:17 pm by RetroACTIVE »
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #136 on: November 05, 2012, 05:42:35 pm »
Hi'ya guys! Thought I might bprrow t he thread as it is a NAMCO gun + AimTrak convertion.
Only think is that I've used the ReCoil kit too.

Have connect it like the image but the solenoid stays constantly on and the MOSFET get hot as hell.
I have measured over the S1, S2 to the Solenoid and they have constant 24v

http://bayimg.com/GAfoiaAej

Have I connect something wrong here?
Seems pretty straight forward in setting it up, but maybe I missed the trigger setup as the NAMCO gun only have one button (trigger)  :dunno

The gun seems to work as I can move the red dot in the config section and the trigger works with the left mouse button.

Any help appreciated.  :angry:


Regards!

/Gustav
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AimTrak-Converting a Namco Recoil Gun
« Reply #137 on: November 05, 2012, 07:26:57 pm »
Looks as if your trigger is mis-wired.  You need to run the trigger line (pin 1 of the AimTrak connector) to the recoil PCB not the trigger switch as shown in your pic.

The button on the recoil PCB is the trigger button.

Maybe I'm misreading your diagram ?
« Last Edit: November 05, 2012, 07:32:50 pm by RetroACTIVE »
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #138 on: November 06, 2012, 06:18:11 pm »
Thanks for the swift reply pal.

I've connected it right this time and the button on the recoil PCB works.  :laugh:

T to Trigger(PIN1)
R to Recoil(PIN4)
G to Ground(PIN5)

AUX(PIN2) & P1(PIN3) is un-used

Still, when I connect the power supply I get the solenoid to constant ON...!  :-[

Measured T - G = 5V, S1 - S2 = 24  :cry:

I can't see what I've done wrong here. Maybe some conponent is faulty, MOSFET or something?

Any help/pointer much appreciated


Regards

« Last Edit: November 07, 2012, 07:41:06 am by gstav »
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #139 on: November 07, 2012, 07:43:31 am »
Maybe if someone missed the text I had under the picture, I moved it above it.

The problem remains as the solenoid still is CONSTANT ON event when I connected the gear as the picture shows  :timebomb:

HEEEELP!  :hissy:
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AimTrak-Converting a Namco Recoil Gun
« Reply #140 on: November 07, 2012, 07:54:14 am »
Maybe if someone missed the text I had under the picture, I moved it above it.

The problem remains as the solenoid still is CONSTANT ON event when I connected the gear as the picture shows  :timebomb:

HEEEELP!  :hissy:

It all looks like its connected properly. 

If you disconnect from the AimTrak does the solenoid remain energized?
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #141 on: November 07, 2012, 08:19:32 am »
First off all, have you installed the recoil firmware (with correct version for you Aim-Trak board) ? And also make sure it is contact between "R" and "pin 4".

If so, try to disconnect the header from the Aim-Trak board and use a 5 volt DC source to test the solenoid alone by putting GND "G" to GND and touch "R" to 5 volts to energize and quickly put "R" to GND (don`t energize the solenoid for too long !!!). If it doesn´t deenergize when putting "R" to ground, remove 24 V power source quickly.

If this works you can measure if there is 5V constant on "R" from the Aim-Trak board. This should read 0 volts.

Another thing... I would recommend to go beyond 30 volts for a much better kick from the solenoid.  ;D

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #142 on: November 07, 2012, 09:23:57 am »
It all looks like its connected properly. 

If you disconnect from the AimTrak does the solenoid remain energized?

Yes, even when the USB is unplugged from the Aimtrak the solenoid remain active  :embarassed:

First off all, have you installed the recoil firmware (with correct version for you Aim-Trak board) ? And also make sure it is contact between "R" and "pin 4".

If so, try to disconnect the header from the Aim-Trak board and use a 5 volt DC source to test the solenoid alone by putting GND "G" to GND and touch "R" to 5 volts to energize and quickly put "R" to GND (don`t energize the solenoid for too long !!!). If it doesn´t deenergize when putting "R" to ground, remove 24 V power source quickly.

If this works you can measure if there is 5V constant on "R" from the Aim-Trak board. This should read 0 volts.

Another thing... I would recommend to go beyond 30 volts for a much better kick from the solenoid.  ;D

I have tha Aimtrack version V1.9 with Firmware 8.15

Sadly have not the time to test the 5V to solenoid G to R thing today. I'll get back tomrrow with a test result.

Thanks for the replies guys!  :notworthy:
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #143 on: November 08, 2012, 07:14:46 am »
The problem was a faulty MOSFET. Replaced it today and now the solenoid fires just fine as i should  :banghead: *lol*

Thanks for all the help guys (and Andy of course) Maybe I need a 36v power supply now! hehe!
I get back with some footage/video when I get it working looking lik a arcade gun as it's all gutted up at the moment!
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #144 on: November 10, 2012, 09:46:50 am »
Hi again guys!  ;D
Problemo 2:

The solenoid is fully pulled when connected to the power supply directly, but barely moved when connected to my Amimtrak w. recoil PCB setup(!)
Tried to measure the voltage, but I guess it's to quick pulse to catch, only get lik  a couple of V.  :censored:

What could be the problem? Have the recol level maxed to the right in the Aimtrak setup tool.

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AimTrak-Converting a Namco Recoil Gun
« Reply #145 on: November 10, 2012, 10:45:08 am »
The recoil action will not occur unless the gun is pointed to the sensor.  Also, with the new AimTrak software, the recoil pulse duration is configurable.. 40ms should be fine.
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #146 on: November 11, 2012, 08:57:41 am »
The recoil action will not occur unless the gun is pointed to the sensor.  Also, with the new AimTrak software, the recoil pulse duration is configurable.. 40ms should be fine.

Yes, I'm pointing the gun correctly to the display and the solenoid do fires, but nowere near 24v as it just cklicks, and the spring is barely moved.
Connected to the power supply directly it's pulled all the way perfectly as it should.

Maybe the pulse time is too short then?

Don't understand where to set the recoil pulse duration, only have one recoil slider on my Aimtrak config util. V9.15. and it's maxed.
Here's how it looks...



Which version do you have. Maybe you can send it to me?  :angel:

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AimTrak-Converting a Namco Recoil Gun
« Reply #147 on: November 11, 2012, 10:49:44 am »
You would have to ask Ultimarc what each tick of the slider represents.  I believe the default is 40ms.

Either way your showing that its maxed out so this isn't your issue.
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #148 on: November 11, 2012, 01:14:36 pm »
Hm.. ok. I thought the slider represented the coil strenght / voltage given.
Have mailed Andy at Ultimarc, but he have not replied yet.

What can cause this volt leakage? :'(
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AimTrak-Converting a Namco Recoil Gun
« Reply #149 on: November 11, 2012, 01:55:50 pm »
Hm.. ok. I thought the slider represented the coil strenght / voltage given.
Have mailed Andy at Ultimarc, but he have not replied yet.

What can cause this volt leakage? :'(

What replacement MOSFET did you use...was it the same as what was included in the kit?
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #150 on: November 11, 2012, 02:05:04 pm »
Yes. I bought a replacement PCB with components, ex. solenoid so it's the same.
Maybe I should re-solder it and see if that's the problem? Don't know where to start really...  :cry:
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AimTrak-Converting a Namco Recoil Gun
« Reply #151 on: November 11, 2012, 02:11:09 pm »
Yes. I bought a replacement PCB with components, ex. solenoid so it's the same.
Maybe I should re-solder it and see if that's the problem? Don't know where to start really...  :cry:

It's strange... It's a really simple circuit, one MOSFET, a resistor and a diode.

Unless a component is bad... it should just work.
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #152 on: November 11, 2012, 03:10:18 pm »
Yes, pulling my hair here???
I might try to resolder and change to the other recoil PCB and see if the problem remains.  :-\
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #153 on: November 13, 2012, 09:19:24 pm »
Could it be that I've burned the MOSFET using too high of a temp when soldering it to the PCB board?

Used max of 450+ celcius on the soldering pen and as the data sheet spec max 300+ for the component?  :P *lol*
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AimTrak-Converting a Namco Recoil Gun
« Reply #154 on: November 13, 2012, 09:36:38 pm »
Could it be that I've burned the MOSFET using too high of a temp when soldering it to the PCB board?

Used max of 450+ celcius on the soldering pen and as the data sheet spec max 300+ for the component?  :P *lol*

lol +1
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #155 on: November 13, 2012, 10:02:02 pm »
A heat sink clip might come in handy.




Scott

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #156 on: December 23, 2012, 02:24:56 pm »
i again guys!

I want to go a different and thought you guys could help me.

What I want to do is to wire the solenoid separately to the trigger directly.
When the trigger is HOLD I want to pulse the 24V ON/OFF for like 5 times/sec to get more of a full auto burst.  >:D

I understand that I need som kind of timer (555?) and a switch part, (N-MOSFET)?

Is this possible? Would be the prefect x-mas gift if someone could help me with a diagram + parts for this!  :angel:


Thanks in advance!
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #157 on: December 30, 2012, 03:13:56 pm »
Hi i was wondering if u r still providing this service to converting a namco gun to aimtrak, i think the namco guns are missing/need more buttons?

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AimTrak-Converting a Namco Recoil Gun
« Reply #158 on: December 30, 2012, 05:09:45 pm »
Hi i was wondering if u r still providing this service to converting a namco gun to aimtrak, i think the namco guns are missing/need more buttons?

My apologies but my availability to do this is on hold at the moment due to health care needs of my family.  I don't mean to sound like a downer but I just don't have the time at the moment. 

As far as buttons go you are correct.  The Namco hardware doesn't provide for extra buttons.  There are a couple of ways around this.

1.  Augment the gun to enable the addition of buttons.
2.  Add a foot pedal and hook it to the keyboard encoder.

I did both of these when I was working on this.  I put an additional button in one of the screw holes of the gun (I used an SMT style button) it fit perfect and is very discrete.
« Last Edit: December 30, 2012, 05:35:49 pm by RetroACTIVE »
Happy Gaming!

darthgus

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  • I want to build my own arcade controls!
Re: AimTrak-Converting a Namco Recoil Gun
« Reply #159 on: January 02, 2013, 01:32:02 am »
If you ever are doing another run I would be dead keen for a couple of them!