One of the questions that hobbyists ask over and over is how to select the value of a current limiting resistor for an LED. Usually the seat of the pants response is: “Subtract 2 V from the supply ...
Infrastructure projects like the Tokyo Gate Bridge are now turning to LED lighting because of its economical and environmental advantages. But these devices still need the right current-limiting ...
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3 cheap and easy soldering projects for beginners
One of the easiest soldering projects to do as a beginner is to solder a resistor to an LED. You can technically put the ...
144 LEDs total. Three sets of 48 in series connected in parallel. My problem is I don't know what value to use for R1. I'm thinking 600 ohm, but I really don't know how to calculate this. I'm making ...
EEs work with electrons. They’ve never seen them but they have a degree in manipulating them. Photons are another matter. With LEDs appearing everywhere from cell phone screens to backlights to ...
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