Nigel Goodwin Super Moderator Most Helpful Member Feb 8, 2007 #2 Same as a 24 hour clock with very minor changes to the software.
picasm Member Feb 8, 2007 #3 Microchip Application Note AN582 describes a 12 hour clock circuit and code that can easily be adjusted to work with a 16f84.
Microchip Application Note AN582 describes a 12 hour clock circuit and code that can easily be adjusted to work with a 16f84.