pls help on a project .. i want to use pic16f877a to do the project that will measure load and uses different sources. thanks

 

We will need a lot more information to be able to provide useful information.
Measure what load (voltage, current, power, weight)?
Uses different sources of what?
What do you want to do with the measurements (display, send somewhere, or what)?

 

the load is power .
the sources are solar, wind ,generator
the measurement of the current and voltage of the sources and the power we are using should be displayed and it can be sent
the pic will control and look at the sources available and be able to power load accordingly also it could turn off and on the sources