Hi,
A simple fan failure caused a near disaster to an old computer system I am working on.
As the system has no way of detecting overheating I thought that it would be good idea to put one in.
My thoughts are to use up to 8 DS1820 1 wire devices into a PIC which has pre-set temperature limits above which an alarm sounds. The device zone and it's temperature are shown on an LCD.
Having looked at the Oshon help I can see how one device can be read from, but how to do it with 7 others ?
I know that each DS1820 is manufactured with a unique code, but how to read that and tie it in with the sensor position I do not know.
Help would be very much appreciated.
Stewart