3.3mm Laser Diode or Module, Driver Circuit, Housing and Lens
Laser Driver Circuit Board Small Size 6mm*6.5mm 635nm To 980nm Laser Diode Driver Apc Working Mode 2.8v To 5v Voltage Supply - Instrument Parts & Accessories - AliExpress
Block diagram of the proposed laser diode driver | Download Scientific Diagram
Amazon.com: D8mm High End Glass Lens 850nm 1mW 5mW IR Dot Laser Module Industrial Grade APC Driver (0.5mW) : Industrial & Scientific
Focusable Laser Module, Adjustable Red Dot Laser Diode Module