http://www.8051projects.net/ Learn to make simple microcontroller projects, pic, 8051, avr and arm projects. download 8051 projects, tutorials, libraries, sample codes. join the microcontroller discussion forum and ask doubts regarding electronics. the best source for 8051 over internet. Mon, 01 Dec 2008 09:58:06 -0800 http://backend.userland.com/rss092 Tip and Ring are telephony slang for the two wires which make up the electrical circuit used for telephone wiring.But from the telephone jack there ar <noauthor@nospam.com> http://www.8051projects.net/forum-t9954.html