*Arduino/Elegoo* UNO R3 - How to make multiple LEDs turn on and off

This is a continuation of the previous tutorial where we review some of the basic skills learned to make an LED turn on and use them to create a traffic light pattern to make multiple LEDs turn on and off and different times/intervals. We use the UNO R3 board, (3) 1K resistors, and a red, yellow, and green LED.
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[@nathanc3569]

Great video. Thank you! Managed to do it for 8 LEDs because of your help.

[@alligorms9586]

Really helpful vid mate, appreciate your help.
Great the accent! Regards from Aust.

[@quicktechtutorials7289]

Glad it could help you out!

[@BrickGarage1409]

nice vid helped alot🙂

[@quicktechtutorials7289]

So happy the video helped you out!

[@Andrew-pz9ox]

error: redefinition of 'int red'