LED Basics
4:56
YouTubeAfrotechmods
LED Basics
A tutorial on the basics of using LEDs (light emitting diodes). Polarity, forward voltage and current are discussed. 300 LEDs for $13: http://www.amazon.com/exec/obidos/ASIN/B00UWBJM0Q/afromods-20 500 resistors for $12: http://www.amazon.com/exec/obidos/ASIN/B008MH97I4/afromods-20 Adjustable power supply: https://www.amazon.com/exec/obidos/ASIN ...
2.6M viewsOct 22, 2016
Light-emitting diode LED Lights
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What if you just keep going? Imagine you fly off at the speed of light. After 8.3 minutes, you’d reach our Sun. After 4 hours and 6 minutes, you’d pass the furthest planet in our solar system. How long do you think it takes you at the speed of light to get to the farthest object humans have ever sent? Follow if you think less than 24 hours. But at 4 years in, just as you’re passing our nearest star… something weird happens… If you like optimistic science and tech stories, follow for more of our
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