Circuit Playground: L is for LED LEDs are glowing crystals! by Collin Cunningham published June 01, 2017, last edited June 01, 2017 posted in Educators/ Circuit Playground series Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Link Note Download Video Transcript Learn More Single page Feedback? Corrections? Text View Groups Circuit Playground Featured Products view all Coloring book - "Ladyada's E is for electronics" No Longer Stocked Cappy the Capacitor - Circuit Playground Plushie No Longer Stocked Hans 555 Timer IC - Circuit Playground Plushie No Longer Stocked Connie the Transistor - Circuit Playground Plushie No Longer Stocked Mho the Resistor - Circuit Playground Plushie No Longer Stocked Ruby the Red LED - Circuit Playground Plushie No Longer Stocked Gus the Green LED - Circuit Playground Plushie No Longer Stocked Billie the Blue LED - Circuit Playground Plushie No Longer Stocked 17 Beginner Skill guide Video Play Video: Circuit Playground: L is for LED @adafruit #adafruit Billie's got the blues and Adabot has lots of questions. Learn about how an LED works with Adabot and the Circuit Playground components! Page last edited May 26, 2017 Text editor powered by tinymce. Transcript