At 12:18 PM 11/27/2003 +0100, you wrote:
>I don't know what is the best choice to manage 220V light bulbs. What i
>want to do is to manage 3 lights and play around with this lights..
>getting them on and off like a disco pub. Well, really i want to emulate
>a traffic light. Then my question is what would be the best and cheap
>way to manage the lights, with a (RELI) or opto couplers.. or what ?

If you use solid-state relays and carefully insulate the high voltage
end of things you'll run a much lower chance (but still non-zero) of
killing yourself or destroying your development system and computer.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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