>> http://www.dextrel.net/diyzerocrosser.htm
>>
>>
> Hmmm... this seems... needlessly complex. My preferred solution
> has been simply a PS2502 optocoupler (AC input/ two reverse
> parallel LEDs) with the necessary current limiting resistors directly
> across the line

Haven't had any problems with this

http://home.clear.net.nz/pages/joecolquitt/txless.html

Joe
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