> And you're sure 4 buttons wouldn't be enough ? :-) Started out thinking about 7 buttons and scaled back to 6. My user interface will be a bit easier with 6 buttons. But I can probably get by with 4. Will consider any keypad with 4 to 8 buttons. Drew -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist