KenHahn
Member

I think that kind of project only makes sense if you do it because you enjoy the challenge. No matter how good you are, you almost certainly will not be able to test as thoroughly as PJRC does when the boards are...

That pin is a logic input that simply switches a transistor ON/OFF. That input already has a 1K ohm series resistor, so the 100 ohm resistor doesn't really have any practical use. When the transistor is turned on,...