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5A High Current NDB7A75 3.5-4.5W 445nm Blue Laser Driver 12V Step-Down Constant Current Drive Circuit w/TTL: Amazon.com: Industrial & Scientific
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Laser Driver Board 450nm 532nm 650nm 808nm Laser Diode Driver with Heat sink 200mW 500mW 1W 2W 2.5W 5W 5.5W AC DC 12V TTL PWM
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0 - 300mA Variable Current Step-up (Boost) 405nm Laser Driver Board - Hand-held Lasers and Modules - OdicForce
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