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Got my first build put together finally. It's a Sharp GH04W10A2GC, I'm using the open source boost from @Giannis_TDM set at about 800mA which should be about 1.2 watts, but I have no way to measure that besides it looks bright and burns things (including my finger) pretty easily. A host from...

I've mostly just been messing with my lasers on my bench, playing with lenses and power outputs and getting a feel for things. My brother is a rockhound though, and thinks the UV laser I have would be awesome for finding fluorescent rocks. I'm a little more skeptical since it's a very long wave...

I ordered a laser that takes a 14500 battery, and I realized I have no way of charging them, so I whipped this up. Sure is ugly but it will work.

I've been reading for a while but decided to finally join. I'm a longtime electronics enthusiast and I decided lasers looked pretty fun. I remember looking into it maybe 15 years ago and powerful lasers were really expensive. I'm kind of blown away with how inexpensive everything is now. I...