Browse - Programming Tips - How do I connect an output LED to the Arduino?

Date: 2009sep11

Q.  How do I connect an output LED to the Arduino?

A.  Page 58 of the "Getting Started" shows it as a drawing
but not a schematic.  So here is a schematic:


Digital Out ------------- LED ---------- 1K resistor ------------ GND (eg 9) long leg flat side of LED of LED