Quote:
Originally Posted by skatefriday
So say we want to supply 25mA to an arduino (a typical draw), do
we hook it up to one of the digital out ports? The documentation also
says Digital current limit: 220 ohm resistor.
Using I = V/R, I = 5/220 = .0227A, or roughly 23mA.
Am I reading this correctly then that we should not draw more
than 23mA out of any single digital port?
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I hadn't noticed this before but you can pull 500mA out of
each usb port on the power distro module. That solves that
problem.