What emitters for mega project

[texaspyro]

@sacra

Nice refit. My Veros have higher CRI, though.

Nichia’s have better color temperature for magnifiers.

Want bright?

15,000 Lumen Bridgelux C9000 Light Engine

Ok, what do you get when you take: [image] That’s a $67 Bridgelux C9000 array (cool white), $8 Intel copper CPU heatsink/fan, and a $6 150W Chinese DC-DC converter (modified for constant current output ). The DC-DC takes 10-30 volts in and outputs 5A at up to 35V out. I’m driving it right now at 15V, 12 amps. Even with a rather crappy power fet, it is around 88% efficient… who say’s boost converters can’t be efficient? A decent FET should get the efficiency up over 90% You get: [image] It s…

Texaspyro's Handmade Multi-Emitter DIY Contest Entry

While waiting for the show to begin, first a little mod’ing music: Life in the Valley Below is good. Fertile fields. Great apple crop every year, the Queen of Light bakes a mean cobbler. Supple maidens cavort in the woods all night. They are always willing to lend a helping hand. Things couldn’t be any better. Except… except for that pesky Dragon of Darkness. Nasty creature. Poops in your garden. Ravages maidens. Farts like a mainiac. Gotta do someting about that critter… not easy. The EPA ha…