Skip the 16F84 and use one of the current PIC models. See http://www.voti.nl/swp/index.html for some good reasons why. On that site you'll also find a nice programmer you can build yourself, there are even complet kits you can order. Jan-Erik. mr. gizmo wrote: > ...the only version of the 16F84 I can get is the 16F84A-20. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics