Tagged Questions

5
votes
1answer
201 views

What's the easiest way to create a software-controlled 220V electricity interruptor?

As the title says, I'm looking for an easy way to interrupt a 220V electrical cable and to write a software that controls the interruption. I imagine there are some kind of relays or contactors which ...
1
vote
2answers
3k views

Controlling relays via USB [duplicate]

Possible Duplicate: I'd like to learn how to make my own USB gadgets How to build a USB controller having knobs, sliders, and switches I need to activate a relay via USB, using a ...
1
vote
4answers
248 views

Tips when choosing relays

I need to control 3 devices, via three relays. I wish to use a 4-relay/usb controller to do this. I currently use this device but I now need three relays: http://www.barix.com/Barionet_100/511/ My ...