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HOW TO - Make a DVD burner into a High-Powered laser - Make:
laser diode pinout – BeamQ Laser
Amazon.com: DBPOWER 11.5" Portable DVD Player, 5-Hour Built-in Rechargeable Battery, 9" Swivel Screen, Support CD/DVD/SD Card/USB, Remote Control, 1.8 Meter Car Charger, Power Adaptor and Car Headrest (Black) : Electronics
Sciencing DVD-RW Laser Diodes | Hackaday
How to determine the operating voltage and current of a laser diode? - Electrical Engineering Stack Exchange