Hi everyone, This is my first post and I hope it won't be the silliest you've ever heard :)
I am in doubt regarding whether, on the Arduino Diecimila, the pin 13 is already provided with a limiting resistor or not. I know that there is an on-board LED connected to pin 13 (of course, via its own limiting resistor) I have looked at the schematic and I cannot see any resistor (like all the other pins). On the other hand, I found a few references (in the Arduino website but also elsewhere) stating the opposite: a limiting resistor is already wired and therefore an external LED can be connected between pin 13 and ground.
Can anybody shed some light?
Thanks in advance,