Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.
Discussion from several years ago was that the design was rushed a little to make a deadline and the spacing was messed up by accident, and has since stuck.
I'd love to be able to whack my Arduino in a breadboard upside-down using some header pins
lets have it on all boards, PLEASE.
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