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Step 2Seeing the light
With this change, and both circuits drawing about 60mA from the 5-volt USB, the results are startling.
First, with the old design: barely usable.
And then, with the improved design.
Both pictures are taken with the exact exposure and the lights placed an identical distance from the keyboard.
This is the difference 55% makes! Much more usable light, with a warmer (warm-white) glow from the amber LEDs as well.
The 3rd image shows the new stylish "Easter Egg" design, with a less-than-stylish lampshade around it.
With amber LEDs selling on eBay for under 10c each, it's time to upgrade your USB lights!
You can see more of my LED projects here.
First, with the old design: barely usable.
And then, with the improved design.
Both pictures are taken with the exact exposure and the lights placed an identical distance from the keyboard.
This is the difference 55% makes! Much more usable light, with a warmer (warm-white) glow from the amber LEDs as well.
The 3rd image shows the new stylish "Easter Egg" design, with a less-than-stylish lampshade around it.
With amber LEDs selling on eBay for under 10c each, it's time to upgrade your USB lights!
You can see more of my LED projects here.
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