According to
BlackBuck 8M - 8A Buck Laser Driver - NDB7A75, NUBM44, NUMB05, NUBM06, NUBM08 | eBay
On picture with tag "The connection method if you are not using external modulation sources"
on laser diode or LED must be 2...5 V forward voltage
but I received around 10,5V...
Hello
I have chines laser driver this one (12V TTL 1W 2W 3W 445nm 450nm Laser Diode LD Driver Power Supply Stage Light | eBay)
and blue laser diode from DTR's Laser Shop A-140 and M-140
For calibrating laser driver I connected in parallel laser diode and my multimeter Uni-T UTM171B and after...