In SX Microcontrollers, SX/B Compiler and SX-Key Tool, samsam wrote: [color=blue>John] [/color] [color=blue>TO] In Jon's FC-4 design (schematic above), he uses an H11AA1 to detect the presense of the 120V power (I think that was the purpose). Is there a similar type of chip that could connect to the 24AC line at both ends that would work something like the RS-485 protocol? I guess I'm thinking of something like a cheap, single chip design that will allow you to place a signal on the AC line one one end and take it off on the other end.[/color] [color=#0000ff> I] I have a project in mind if there is some like[/color] [color=#0000ff>In]and do same thing[/color] ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=208526#m209502 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)