Computer Power Supply and Switch Wiring Questions

[rawfuls]

Originally Posted by simplechamp

I think BrianG suggested the 3 diodes because each one has a 0.7V drop, for a total of 2.1V drop, the amp rating is still 1A. Using a single 3A diode would only get you the single 0.7V drop.

Just when I thought I was getting a hang of things...

If I were to try and get it to drop to 5V... how would I find how much a diode will drop?