There are few words here.
Preparing
Start with Sparkfun’s How to Use a Breadboad tutorial and then move on the Ladyada’s Arduino Tutorial. Pay attention to the schmatics.
Wiring
Get an account on Autodesk circuits.
- LED with current limiting resitor
- LED — bad and good
- Button controlled LED
- Arduino controlled LED
- Arduino with external pullup
- Arduino with internal pullup
