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Trying to build USB PIC programmer, need help

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inuyasha10121

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Hello everyone. Well, to make a long storry short, I'm in need of a USB PIC programmer, on the cheap. My computer doesn't have a serial port or a parallel port. I bought a USB -> serial cable for a JDM cable...then found out that JDMs don't work with USB->serial cables. So, I was wondering if anyone knew of a PIC Programmer I could build that would work with USB or the cable I bought. The programmer has to be able to program a PIC18F4550, and it would be nice if it programmed more, like a PIC16F84, etc. I had an idea of having an onboard FT232R chip, but I don't really know how I would connect it to the main PIC18F4550(I read something about a RS232 level shifter, but I don't know really what thats about) So, any ideas?
 
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