App idea: flashlight / color light


Wait, what kind of led? I thought they exploded failed when fed voltages as high as that..
 
Not every led. I have one here with 30watts that takes 12V
 
Does it need a heatsink?
 
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Wait, what kind of led? I thought they exploded failed when fed voltages as high as that..

Curious, this was in the 90s and it was some crappy led from a random electronics stupor-store. It wasn't left on long so I don't know if this was a Bad Idea.


The one which was left on was also either designed to or hooked up to another toy to have it intermittently blink. That one lasted for months.
 
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