Calculating Current Limiting Resistor Values for LED Circuits
The key to maximizing LED life is limiting the current that runs through it. This is frequently done with a simple resistor whose value is calculated using Ohm's Law. This article reviews how to apply Ohm's Law to single and clustered LED circuits.
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!