I'm actually going to be using 2 X ds2405's as switches to work relays along with 2 ds18b20's as temp sensors
What I'd like to do is log the total amount of time the ds2405's are activated and display it on an lcd screen at the start of the program once power is supplied to the circuit (after a second or so warm up time)
I've looked at Darrels include and it looks pretty interesting, however I dont know how i'd implement it to be honest.
I'm guessing I'd have to have the pic powered all the time or it's going to lose the information once power is removed.
I could attach an eeprom I guess but I'm trying to keep the board size as small as possible using normal sized components, so unless there's any way to attach a 1 wire eeprom start it counting once it's told to, then when the circuit starts each time it reads the stored value and displays it as a hours, minutes and seconds display on an LCD then goes back to counting where it left off
hope that actually made sense to someone
basically I dont want to have a battery backup it would only work once power is applied.