Most likely you need some extra hardware to act as a switch. It depends on the current you want to switch.
http://www.thebox.myzen.co.uk/Workshop/Motors_1.html
Talks about motors but is the basis of switching anything.
Most likely you need some extra hardware to act as a switch. It depends on the current you want to switch.
http://www.thebox.myzen.co.uk/Workshop/Motors_1.html
Talks about motors but is the basis of switching anything.