On 8/3/2011 11:57 AM, Michael Watterson wrote: > Test idea with a PC and sound card.=20 I am also interested in such a project but strictly for self education. My big problem has been that I have not been able to find much=20 documentation on the various soundcard interfaces. I do have an M-Audio card that I have used with some Ham radio software. Any pointers are appreciated. At the moment I am planning an 18F Pic and an external Dac. Not likely=20 to be a great success, but I might learn something... --=20 *John Ferrell W8CCW* **Men never do evil so completely and cheerfully as when they do it from=20 a religious conviction. */--Blaise Pascal/*// ** ** --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .