If you know where to go on the Internet, you can pick up an FTDI USB to Serial adapter for one dollar and sixty-seven cents, with free shipping worldwide. The chip on this board is an FTDI FT232RL, ...
I recently found myself with a problem. I'm doing work with some higher speed TTL serial stuff (3M baud), and my FTDI adapters, which should be more than capable of handing this, were being mostly ...