To use to control if my mp3 box is on?
Player: Pentium 166MMX, Amptron 598LMR MB w/onboard Sound, Video, LAN, 10.2 Gig Fujitsu Laptop HD, Arise 865 DC-DC Converter, Lexan Case, Custom Software w/Voice Interface, MS Access Based Playlists
Car: 1986 Mazda RX-7 Turbo (highly modded), 1978 RX-7 Beater (Dead, parting out), 2001 Honda Insight
"If one more body-kitted, cut-spring-lowered, farty-exhausted Civic revs on me at an intersection, I swear I'm going to get out of my car and cram their ridiculous double-decker aluminium wing firmly up their rump."
im curious and not much of a wiz with wiring and stuff like this was wondering how do you plan use this
Case built and working
Amptron 586 motherboard onboard snd/vid/lan (purchased)
200mmx processor (already have)
5g harddrive (already have)
Two 4x40 lcds (future)
Essentially, a relay allows you to use a small current to switch a much more powerful circuit on and off.
The only thing that bothers me is that id dosent give me spec. about how many volts i need to turn over the switch. I asume it will just be 12 volts.
I'm going to order it, or the one that is a pc board desighn and we'll see how it works
Your assumption is correct 12v dc is the require switching voltage. Don't for get a diode to prevent back emf.