Not in this case!
More correctly, a common return which might be ground, or in this case, the 5 V supply.
And interestingly, I do mean the 5 V supply, not the 3.3 V.

Not in this case!
More correctly, a common return which might be ground, or in this case, the 5 V supply.
And interestingly, I do mean the 5 V supply, not the 3.3 V.
