Hi all, I have a question about my first build.
Some specs:
Diode: 450nm M140
Driver: Survival Laser 1.25A
Battery: 2x Nitecore 650 mAh RCR123A
I cannot get the driver to pump using these batteries. Bench power supply at 5V or more works just fine, so it's not the diode. When I test the bats...