How to determine optimal voltage and current on unknown 100w CoB?

Robin Dobbie

Newly Enlightened
Joined
Aug 15, 2019
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9
Bought a 100 watt COB on the auction site for cheap. The manufacturer is unknown and the listing has somewhat vague and maybe incorrect specs.
8UlARCw.jpg

I was thinking of putting it in a box with a camera. I could use the hdmi out to see the histogram and figure out the max output/min wattage while playing with the voltage and current pots on the boost converter. I was hoping there was a universal procedure.
 
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