Use Debug > 8051/AVR > Source Code to step through your C code line-by-line while watching the voltage levels change on the resistors.
Instead of just watching LEDs, use ( Mode > Graph ): proteus 8 professional tutorial
Drop a comment below. Subscribe for more PCB design tutorials every week. Use Debug > 8051/AVR > Source Code to
Mastering Proteus 8 Professional takes practice. Here are your best resources: Use Debug >
Close the "Pick Devices" window. You should now see your three components listed in the sidebar.
This paper provides a foundational tutorial on Proteus 8 Professional