How to Blink an LED with Arduino (Lesson #2)
Learn how to blink an external LED connected to an Arduino digital I/O pin using the digitalWrite command. See our complete playlist of Arduino tutorials here: https://youtube.com/playlist?list=PLlBVuTSjOrclb0iCMSRpS_H1lSrlSVeEm and the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search
0:00 intro
0:10 materials
0:22 how does a breadboard work?
2:28 build the circuit
6:13 write the code
9:13 upload and test
9:28 add another LED
9:50 using the breadboard's buses
13:06 edit the code for two LEDs
14:24 blink the LEDs out of sync
15:18 what's next?





