I'm looking at the 2560 schematic in Eagle. I'm very new to circuit design.
I understand all the connections coming off of the ATMEGA2560. What I don't understand is why there are no connections between the ATMEGA2560 and the ATMEGA8U2 and LP2985-33DBVR.
Why isn't the power schematic connected to everything else? It looks like 4 independent circuits with no connections.
I need to add hardware debouncing, motor controller, high speed ADC, quadratic encoder ICs, resistors and some other stuff. Debating on putting all of this on a custom shield or add all of it to the 2560 and doing a completely custom board. But first I'd like to understand how the Mega board works.
Thanks guys, I appreciate the help!