Comments: SparkFun Inventor's Kit Experiment Guide - v4.0

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  • Support Tip: I recently had a customer contact us about the illumination profile of the RGB LED. These are the resistor values he recommended for an even illumination across the RGB colors.

    “I used a Texas Instruments OPT3001 to accurately measure the output as would be perceived by the human eye and used this information to create more appropriate resistors values: red: Lux=61.26; actual resistor value = 217 Ohms; Nominal resistor value = 220 Ohms green: Lux=55.24; actual resistor value = 4640 Ohms; Nominal resistor value = 4700 Ohms blue: Lux=53.34; actual resistor value = 2273 Ohms; Nominal resistor value = 2200 Ohms.”


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