I recently acquired a failed laser from a supposed 20W engraver, I took my bench and used it to directly power the diode and it worked, pulled amperage from very low voltage and had a bit of current draw fluctuation, but it worked. Nowhere near as powerful as my 1.5w purple, but it burnt wood a little, the problem is though, it's a massive hot diode, at 2.1A I got a large increase in brightness and the little module let me take it to 5Amps without giving up. Anybody know what's up with this? It has a lense that needs manually adjusted and a huge diode, if anybody knows anything about this diode, lemme know!
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