Originally Posted by
Forgetful Jedi Knight
I personally use nominal resistors for Blue and Green. I also know Erv’, and he usually advises to use a resistor, put people try to skirt by without it, and argue over it. You could technically get by without a resistor for Green, but it’s always “safer” (and likely cheaper) to not “push your luck”, and put a nominal resistor on both Blue and Green.
2. Correct, though I personally use the SMD resistors, just to save time and space.
3. Correct
4. They’re for the Bluetooth module as I recall. The ground was there in the past, the (+) was a recent addition.
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