You might look at: http://www.hth.com/plm-24/default.htm This is a power line modem kit that has two way communication and supplies info on how to interface to a PIC. Doug At 09:57 PM 1/6/99 -0800, you wrote: >>>> I'm going to do a 'Home Automation' project that controls light, temperature, yard watering ... Can anyone who has been working on a similar project share your resources? Thank you very much. <<<<<<<<