Step by step electronics circuit builds 1 lighting a resistor protected LED on a breadboard
Автор: electronzap
Загружено: 2018-08-09
Просмотров: 10857
I quickly go over how to light an LED on a breadboard. I use a 5V power supply. a 220Ω or higher value resistor to limit current through an LED to below 20mA (based on a 5V power supply). The long lead of untrimmed LED leads is the Anode, which needs to be more positive (Forward biased) than the cathode (short lead and usually a flat edge) to conduct. If the cathode is more positive than the Anode (reverse biased) it will block current unless too much voltage is used, which will damage the LED. The LED behaves electrically like a rectifier diode but is not near as good at rectification, which is covered in other videos.
New series I am starting. I think it will be more interesting to those starting out in electronics than how I normally do videos.
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