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405nm 445nm 450nm Laser Diode LD Driver Board 12V 2W Step-Down Constant Current Drive Circuit of TTL Modulation Power Supply: Amazon.com: Industrial & Scientific
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3.7-4.2vdc 1w/1.4w/2w Blue 445nm 450nm Laser Diode Ld Driver Power Supply 1.5-1.8a - Stage Lighting Effect - AliExpress
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