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Oh wow, I think I figured out what I did wrong. This is a classy blunder. So on reviewing the laser diode datasheet, for whatever reason I was placing ground to the PD anode rather then the common pin and VCC+ to the LD anode... So I am going to assume those LD's are toast, and use a fresh one...

Thanks LEN, I didn't reverse engineer the board by any means but it is hard to imagine the board came faulty given the components it uses. So I am edging further away from the notion of a dead on arrival purchase. Also not sure if it is user error by means of damage, I was pretty careful...

@10Fenny - Thanks for the heads up that sometimes the boards aren't functional. I am suspecting that is the problem but I always hate to place any implication of blame on a manufacturer/distributer of parts when I am new to doing something. I'll order a couple more. I don't think the PSU is the...

Hi all, I'm new to the whole laser thing working on my first build. Although I am new I am well aware of things like ESD, heat-sinks, grounded tools, basic electronic theory, etc. I am hoping to use one of these 50mW blu-ray laser diodes (SLD3232VF -...