I am using 16c505 pic 14 pin Could any one offer me any trick for making a memory when power is off for 8 hours I was thinking if I could charge a cap before power of when power back on I could check status of pin thank you Bruce Stephens -- http://www.piclist.com hint: PICList Posts must start with ONE topic: "[PIC]:","[SX]:","[AVR]:" =uP ONLY! "[EE]:","[OT]:" =Other "[BUY]:","[AD]:" =Ads