Control a DC Motor with Arduino (Lesson #16)

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Learn how to control a DC motor with an Arduino and a transistor and an external power supply. This approach only lets you spin the motor in one direction - check out the next video in our series to learn how to make the motor reverse directions with an H-bridge. See our complete playlist of Arduino tutorials here:    • How to Use an Arduino   and the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search...

0:00 introduction
0:32 revisiting LED code
2:03 adding a motor to the circuit
2:51 transistor (MOSFET)
5:49 external batteries
8:19 simulation
9:10 controlling motor speed
12:02 capacitor
12:33 diode

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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