HI -first 30min with this thing... feel very stupid asking such a simple question.
Wrote a simple program to flash an LED using pin 13, this all worked on the board, the little light flashes but not when using a real LED
Wired up the LED on a bread board with a resister as shown on utube but the LED would not work, so after mucking around I found it works without the resister.
Pin 13 - LED+ to LED- to neg = flashing LED.
Why does it work?
Using PC - USB to power the board... is the voltage to low?
At least I got the LED to flash but not wired how it should be.