On 5/28/10 8:15 PM, Neil Pickford wrote: > I intend using the Dual Counter 1 Wire board that uses a DS2423 > counter/memory chip. > <http://www.hobby-boards.com/catalog/product_info.php?cPath=23&products_id=42> Apparently the ds2423 is discontinued, which is a shame. I can't find a current product with a counter. Mikal