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Fingers crossed this should link to YouTube.I just did this little trial build today ,only used a rip out 8x red because one it was free ,two extraction lesson for me and three making sure I could solder these little blighters ,so I'm hoping you pro laser guys can help with the max vf and...

I'm hoping someone can tell me what laser they think this driver should be running .I was sent this attatched to a 100mw 650nm was supposed to be running 190 ma it tested out at 84 ma and was supossed to lase at 3 volts would not even start to lase until it had 4.78 volts I'm confused .can...

I have purchased a 650 nm 100mw diode,but on looking at the specs ,it says 3.2v at 100ma at duty of 1 minute on 5 secs off with the heat sink .so I emailed seller and he said it's correct but only recommends 30/40 ma so I said your specs are all over the place so asked him to check his dioed and...