Step 1: Come up with an Idea
Step 2: Generate a poster design
Step 3: Gather tools and materials
You will need:
-Some sort of marker or sharpie
-A straight edge
-Tape (scotch or other clear variety)
-Needle nose pliers
-Electrical tape or heat-shrink tubing
-A backer for the poster (I used masonite but stiff cardboard or sheet PVC should work)
-Sandpaper (medium grit)
-A power source
-A breadboard to test it all
...and a partridge in a pear tree.
Don't worry, it sounds like more than it actually is.