Jamison’s Simple LED Project Jamison is playing with LEDs, transistors, and his iPod. Here are some links we found useful. Music LED Light BoxLED series/parallel array wizardTIP31Transistors I think it’s time for another trip to Fry’s and then start working our way through Make: Electronics. By Brent Logan Engineer. Lawyer. WordPress geek. Longboarder. Blood donor. Photographer. More about Brent. View all of Brent Logan's posts.