I would like to implement a circuit wich can convert RS232, serial port to USB.
I've found at least one project, but it mainly used a module called USBmod1, wich it's too expensive,
So I would like to know if someone knows how to implement this kind of circuit, avoiding de expensive modules normally used.
I thank you all, but all the circuits yu've told me, have only one problem, uses IC's wich are not easy to find (like the CP2102 or FT2232), where I live in, but... Thanks anyway, if any alternatives known, please don't wait to tell me, ok?
I would like to implement a circuit wich can convert RS232, serial port to USB.
I've found at least one project, but it mainly used a module called USBmod1, wich it's too expensive,
So I would like to know if someone knows how to implement this kind of circuit, avoiding de expensive modules normally used.