Is there a good video showing how to check the flow sensor on a

Is there a good video showing how to check the flow sensor on a PSU

I am confused, a PSU doesn’t have a flow sensor. but To check a flow sensor, a simple multimeter set to check continuity should be all you need.

https://plus.google.com/105850439698187626520/posts/1iHXXZ5yKyk

I sole this project from Jon( lol, with his blessing) and am maintaining it at https://github.com/funinthefalls/LaserSafetySystem