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MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Feb 20, 2014

More Griping About Missing Standards LED lamps and lumens

I sure hope this does not place a burr under anyone's saddle, but get ready because I am going to lapse into (lecture?) mode... I purchase LED chipset plate lamps Various wattages 2, 3, 5, 10, 2...
GordonThree's avatar
GordonThree
Explorer
Feb 20, 2014
Do you have a small solar panel around, maybe one from an old calculator? Hook it to your voltmeter and you now have a light meter :)

You can even use a red, yellow or green LED as a tiny solar panel, it will output a different voltage based on the brightness of the light.

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