Learn how to choose the resistor for an LED circuit without doing any math. LED circuit design science project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p101/electricity-electronics/efficient-led-circuit-design

LED Circuit Design Playlist:

1. No Math: https://youtu.be/2pHVIqcyf18
2. Choose resistor for single LED: https://youtu.be/JkFkUTxMkCk
3. Solve for current with a known resistor: https://youtu.be/OgRzJmu03VY
4. Power and efficiency: https://youtu.be/xx5ou6n0GEU
5. Multiple LEDs in parallel: https://youtu.be/9ZQz2IUEtO8
6. Multiple LEDs in series: https://youtu.be/qZSP5-jYW34

Link for the whole playlist: https://www.youtube.com/playlist?list=PLlBVuTSjOrclaUU1nI3afV1jp8vj4iQUf

Does the resistor need to go before the LED? https://youtu.be/NUKD9qESO58

Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at http://www.sciencebuddies.org to learn more.

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