HAPP 45 gun wiring and troubleshooting

So I know I'll have to make an adapter, but as long as I connect 5v, ground, trigger and optic it should work right? The gun isn't currently working but was also sold "untested" so I'm just trying to find out what SHOULD work so I can narrow down why it doesnt. I bought the HAPP specifically because multiple people said it works with TC.
 
So I know I'll have to make an adapter, but as long as I connect 5v, ground, trigger and optic it should work right? The gun isn't currently working but was also sold "untested" so I'm just trying to find out what SHOULD work so I can narrow down why it doesnt. I bought the HAPP specifically because multiple people said it works with TC.
Yep that is all you need and it will work. That is what I have in my setup. My happ guns do not have the solenoid in them.
 
The part I'm talking about is this
View attachment 741391

That's a diode. They're common is this sort of application (across a solenoid). Sometimes called a "snubber". See: https://en.wikipedia.org/wiki/Flyback_diode

Do you have any idea what its supposed to be if I can get my hands on one? Would it hurt to just bridge that (hopefully cleaner than the previous person did lol)?

I expect it was fairly likely a 0.1μF. There's only 5V on that PCB, so anything rated for at least 16V will be fine.
I would NOT recommend bridging across the pads from the cap (as the solder blob likely did).
It looks to me like that would likely pull down (short out) the 5V supply.
 
So I opened up my guns to have a look at the PCBs and wiring.

The functional pinout of 6-pin connector is (in order):
- trigger
- trigger
- opto out
- ground
- ground
- 5VDC

The two trigger pins are connected internally. One should be connected to the trigger wire (typically white) going down the hose and the other connected to either line to/from the trigger switch.

The two ground pins are similarly connected internally. One should be connected to the ground wire going down the hose, the other connected to the other line to/from the trigger switch.

Unfortunately, based on pics found online, there are many versions of these PCB. Some have the 5VDC line near the top of the gun (mine are like this) and others (like the one in the original post of this thread) have the 5VDC line near the bottom of the gun. To tell the difference, it's necessary to either look to see which pairs of lines are connected (triggers and grounds) or follow the 5VDC line to make sure it goes to the positive end of the polarized caps. Some boards have locking ramps on the header to try to ensure proper orientation... but sometimes these got cut off...
 
I just followed this advice for the CarnEvil and found that although the Happ guns don't reach the I/P board, someone thought of that, and there is an extension in the wiring harness. One is blue wires, one is gray, I guess it doesn't matter which one you use for player 1 and 2 just so it corresponds on both ends.
Mine functions, as in the trigger works, but I'm not completely dialed in as it's not registering yet. I think that's a monitor issue or a setting issue, I'm going to work on that tonight.
 
I just followed this advice for the CarnEvil and found that although the Happ guns don't reach the I/P board, someone thought of that, and there is an extension in the wiring harness. One is blue wires, one is gray, I guess it doesn't matter which one you use for player 1 and 2 just so it corresponds on both ends.
Mine functions, as in the trigger works, but I'm not completely dialed in as it's not registering yet. I think that's a monitor issue or a setting issue, I'm going to work on that tonight.
Three things got my Happ guns to register:
1. A properly adjusted monitor bright and focused;
2. Adjusting the game settings to allow pump offscreen (which translates to shooting offscreen to reload.); and
3. Replacing two bad 1 amp 250 volt fuses on the I/O board.
 
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