And with a TW523... it has a new part number: X10 Pro PCS05. There is a small library and some sample sketches in the playgroungdto operate the power line modems I mentioned and apparently they (mine) work both ways, they can accept feedback too. there is another X10 modem that is TX only. Simple method to control the lighting. The only issue that I see is that I've never seen 220VAC versions... But I haven't looked either. I've used the devices in my homes over the years and found them to be good, UL approved devices.
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