This is different from the others I've seen, it has a toggle switch to make the R1 rapid fire or regular.
http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... :IT&ih=016
Anyone have a DIY on this?
How do you do this PS3 controller mod?
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I don't know the exact way that he wired it up, but the idea would be to put a logic oscillator into the controller and hook it to the R1 input on the board. The switch to turn the rapid fire on/off would be controlling whether the oscillator is powered on. When the oscillator is on, the R1 button would then determine whether the output signal from the oscillator is going to the controller board.
He mentions that he put a microcontroller IC into the PS3 controller, which would handle the oscillating, but in the brief time that I searched for one that is pre-built to do this, I didn't see anything. He might have programmed a writable IC to output a switching signal, but you can build the same thing with someNAND gates. The difference is that the IC is in a neat little package, whereas the CMOS clock circuit shown in the link needs additional components and will take up more space, which could be important depending on the amount of space available in the controller.
He mentions that he put a microcontroller IC into the PS3 controller, which would handle the oscillating, but in the brief time that I searched for one that is pre-built to do this, I didn't see anything. He might have programmed a writable IC to output a switching signal, but you can build the same thing with someNAND gates. The difference is that the IC is in a neat little package, whereas the CMOS clock circuit shown in the link needs additional components and will take up more space, which could be important depending on the amount of space available in the controller.