Adjustable Constant Current LASER Diode/LED driver - Electronics-Lab.com
Design and Test of fast laser driver
Laser diode driver circuit board 8.5mm*19mm ACC mode suitable for 532nm to 980nm laser diode driver PCB working voltage 3V to 5V|Instrument Parts & Accessories| - AliExpress
Design and Test of fast laser driver
For 445nm 520nm 2W Laser Diode 6-14V Power Supply Driver Circuit PCB Board | eBay