Recommended · for beginners
Experimenting with LEDs | Digital electronics (1 of 10)
Why people recommend it
Opens Ben Eater's digital electronics series by varying the voltage across an LED to show its forward voltage and current behaviour; suggested to beginners puzzled by LEDs.
Watch for: why the same voltage and resistance give different brightness
In their words
I'm following along with Ben Eater's digital electronics playlist on YouTube.
Edward Chamberlain on electronics.stackexchange.com, Sept 2020. CC BY-SA.
Here is a video of Ben Eater toying with an LED and a variable power source.
Arthur on electronics.stackexchange.com, Nov 2017. CC BY-SA.
I watched this video ([video]) the author varied voltage to show the LED behavior below, at, and above the recommanded voltage.
Winston on electronics.stackexchange.com, Aug 2019. CC BY-SA.