Simple Xbox 360 rapid fire mod

Back in May we mentioned AcidMods’ spitfire mod that enabled rapid fire (amongst other things) and was undetectable by Xbox Live. The parts list was quite low, needing just a PIC16F84A and a few other components, which led to third parties selling controller mod kits on eBay. The AcidMods team has figured out a new way to enable rapid fire using just a momentary switch and the necessary wire to hook it up. All you need to do is wire in the switch between the ground on the controller LED and the middle pin on the trigger. The only caveat is that because it’s hardwired to the LED, you can only use the mod on the particular port you’re using the controller on.

The reason it’s so simple is because the Xbox 360 controller uses pulse width modulation to “dim” the LED on the controller, creating a rapid high/low signal. When the momentary button is depressed, it routes this rapid high/low signal to the trigger input on the controller, which is then input to the Xbox 360. Hit the read link for a couple more videos explaining this hack.

While this modification is undetectable by Xbox Live, it does create an unfair advantage in multiplayer gaming and could result in your account being banned.

[via Xbox-Scene]

Related: Xbox 360 Hacks, Xbox Hacks

166 thoughts on “Simple Xbox 360 rapid fire mod

  1. @rob

    There are two kinds of pushbuttons. Normally Open (NO) and Normally Closed (NC). If you have a normally closed switch, then you will need to hold down the button. If you have a normally open, it will only work when you push the button.

  2. i have a wireless controller that looks just like the 1 in the video and i sordered it just like he did in the video and the button works but it dont fire as fast as it should. Does anyone know why?

  3. I did this same mod on one controller it worked except it’s a d21 so I connected it to the r21 but the second hole under it worked for one controller but for the second the d21 light just comes on when button is pressed someone help please!!!

  4. instead of soldering the other wire to the LED ground, you can solder it to either of the right side rumble pack (electric motor) pins. this way you can avoid ruining the LEDs which easily happens. also if done this way, you can still keep both rumble packs however maneuvering the momentary pushbutton underneath the electric motor and finding a spot to drill the hole is a bit tricky. for those wondering why speeds vary, it all depends on the controller itself and the specific model which is out of your control. this “short circuit” modification is strenuous on the battery and will drain in quicker, but not unreasonably quick. so the newer the battery the quicker it will fire. these supplies (unless you need a soldering gun) are under 5 dollars total at radioshack. i recommend 30 gauge wire and standard solder for electronics.

  5. for all the morons saying it will stay on all the time until you push the button, try using a normally open push button instead of a normally closed one. This is not a fake, just a dodgy way of making it rapid fire. I have found any ground on the middle pin of the RT will work on the TP3 controller.

  6. What Push Button Is needed ?
    and ive done this before and my right trigger stop workin when i wasnt holin push button and gun fired automatically but when i held the puh button my right trigger worked Any ideas ??

  7. does this work for Modern Warfare 2? Because me and my friend soldered it exactly where it should should be soldered, and put it back together legit. The circuit worked because when when we pushed the button, the LED light up, and it turned off when we had it off. When we went to test it out, all of the buttons worked like a controller but the rapidfire did not work. Help?

  8. i cant get this to work with halo 3, all the momentary button does is act as the right trigger and only fires once with a pistol or any non-automatic gun instead of rapid fire!! Please help :)

  9. this only works for tp3 controllers that is why when u press the button it fires one shot only and as for the momentary switch i salvaged mine out of an old ps2 controller (R3 “knife on CoD” button located under joystick ,tip on soldering try soldering wires onto momentary switch first then (with top of controller casing off turn on the controller and start a game”ex. MW2″ hold the wires to the soldering points and press the button to test it, if it doesn’t fire full-auto, the wires are probably backwards and when opening your controller try using a small phillips head screwdriver to break the security pins on the screws then use a T9 bit to unscrew them

  10. Hey i just wanna know if that gel you dipped the wire in before you soldered it the the point is that so it can be soldered without solder wire or do you just not need solder wire?

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