On Sun, Apr 26, 2009 at 11:36 PM, Raymond Hurst wrote: > You can also transmit on the mains at about 100KHz. > Ray Thanks. How do I do that? I'm worried about the electronics. The protocol is the easy part. I just need the circuit because I don't know how to make one myself yet. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist