PIC microcontroler

Thread Starter


Joined Aug 7, 2007
Hey guys I need help...
I built a clock/thermometer with PIC 16f628 and DS1820 ...the clock and thermometer works good but it not displey negativ temperetures .how can I changed the codes for displeing negative temp. You can get the cods and the schematics on www.sixca.com.
thank you


Joined Apr 20, 2004
We have no idea of the display you are using. Could it be as simple as adding a LED minus sign?

You might also be interested in the fact that the DC1820 is no longer available. If this project has some future application in mind, finding a substitute for the DC1820 would be a good idea.