power supply

I have 2 sprinkler valves, and one pnematic valve that all run off 24v. I plan on making a small control box with push buttons to control my props. So far I will only have 3 props running off this control box, but next year I plan on adding some more buttons for manual fog. What kind of power...

I'm in the process of building my first animatronic bucky skull using three (3) Futaba S3004 servos and the Parallax USB controller. At this point, I think I know enough to be dangerous, particularly when it comes to supplying power to the servers. I know the board needs DC power, so I'm...