Pick your Sunfounder kit up so you get the same results I do:

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You guys can help me out over at Patreon, and that will help me keep my gear updated, and help me keep this quality content coming:

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In this video I show you how to control an external LED using the Arduino R4 WiFi board. I show how you use a breadboard to connect the circuit up. I explain the importance of using a current limiting resistor, and then show you the code I developed. The goal was to create a blinking SOS signal using a red LED.

[Disclosure of Material Connection: I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. ]

#arduinor4wifi
#LED
#tutorial

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