Hi Guys I have been researching the I2C bus and protocol in the past few weeks and have accumulated a few links to interesting sites, which discuss I2C. I thought I'd share these with you. I want to thank everyone who has helped me by answering my millions of questions. Here are the sites. http://www.philipsmcu.com/i2c.html http://www.cdcentre.demon.co.uk/teletext/i2c.htm http://www.paranoia.com/~filipg/LINK/ELE/F_I2C.html http://www.hut.fi/~iisakkil/stuff.html http://www.hut.fi/Misc/Electronics/hwprojects.html#i2c_project http://kar10.kar.elf.stuba.sk/~balogh/MM/i2c/i2cindex.htm http://www.cit.ac.nz/smac/i8051/i2c_1.htm http://www.ping.be/~ping0751/i2c/i2c.htm http://www.mcc-us.com/techsrc.htm By the way I will be posting an updated PIC book list in the very near future. If you would like to include your comments on those books already listed or have new books to contribute please feel free to do so. Talk to you guys later! Charles THE ONLY WINNER IN WAR.... IS DEATH!!! ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com