Charlie Kim's eeZ LED Takes All the Guesswork Out of Dialing in Your LEDs' Brightness
Maker Charlie Kim is looking to take the guesswork out of dialing in the luminosity of a given light-emitting diode (LED), by turning complex calculations and continuous trial and error into a simple handheld gadget: the eeZ LED.
"LEDs are annoying," Kim explains of the problem to be solved. "5mA is very different from LED to LED. What works for one LED doesn't work for another. But [the] goal isn't to calculate the current but to actually get the brightness you want. None of the calculations give you empirical results. Each situation demands a different approach. Whether it's a UI [User Interface] or perhaps some indicators inside an enclosure, you're trying to ensure visibility in bright environments. I'm sure you've seen examples of non-ideal implementation. Have you ever tried to explain how to calculate this to a non engineer? I'm sure there are makers, artists and hobbyists that would love...
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