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Learning without distractions

Arduino UNO R3 vs R4 Current Limit (Lesson #34)

10.8K views on YouTube

Comparison of the I/O pin current limits on the Uno R3 and Uno R4 and what this means for LED current-limiting resistors on both boards.

See our complete playlist of Arduino tutorials here: https://youtube.com/playlist?list=PLlBVuTSjOrclb0iCMSRpS_H1lSrlSVeEm

Visit the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino&ytid=YFpOUGjUUXk&ytsrc=description

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 https://www.sciencebuddies.org/?ytid=YFpOUGjUUXk&ytsrc=description to learn more.

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