Dear all, i got this situation: Atmega328p circuit is built and tested.. and it works fine. BUT, i noted that all digital pins output only 3.7V instead of 5V, while analog pins output 5V as normal ! i tried to remove extra parts to test and figure out the problem, but still the same now i only…

Digital I/O Pins Output

BJHenry July 16, 2019, 8:08am 4

srnet:
Cant see the image here.

You aren't missing too much...