strobe

Hi all and thanks in advance for your time ! I am currently designing an LED light sources that has 4 individual strings of LEDs, to be controlled by a commercial constant current machine vision driver (Smartek HPSC4). One of the strings has significantly less LEDs than the others (3 vs 8, 9...

I have used underwater camera set ups with both fiber optic cables and wires to trigger the external flashes (strobes), but I'd like to build a wireless rig. I realize that radio is probably out, but what about using an ultrasonic system? I have not found anyone who has done this and really...