Just a quick one - do both +5V and GND pins need to be connected to +5V and ground, e.g. from a voltage regulator? Or can I leave one of them empty? Would make designing my stripboard a lot easier! Thanks, Sam

Supplying power to a standalone ATMega328P-PU

system February 11, 2013, 1:09pm 10

I'm saying you should connect both pairs of pins. Vcc/Avcc and both Gnds.

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