- A serial to USB adapter by a company called Sewell is listed at $23 at the below site. Don't have any experience with it though. http://www.sewelldev.com/usbtoserial.asp?source=google_usbserial_ad1 **************************************************************************** Our WebPage! Http://WWW.GeoStL.com Mail List Info. //www.freelists.org/cgi-bin/list?list_id=geocaching ****************************************************************************