How do you measure the brightness of an LED? Answer : To measure the brightness of an LED, you generally use a **lumen meter** or a **photodetector**. Here's how you can measure it: 1. **Luminous Flux (Lumens)**: - ... assess brightness, while other methods like using sensors or calculating from power consumption can give you a rough estimate....
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How does the brightness of an LED change with temperature? Answer : The brightness of an LED decreases as the temperature increases. Here's why: 1. **Increased Resistance**: As temperature rises, the internal resistance of the LED material (usually semiconductor) ... range, and cooling systems or heat sinks are often used to keep the temperature under control....
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