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. en-gb 2009-01-08T10:37:45-08:00 contact@nospam.com hourly 1 2000-01-01T12:00+00:00 http://www.8051projects.net/forum-t2663.html 2009-01-08T10:37:45-08:00 See How to connect relay and appliance with uln2003 http://www.8051projects.net/forum-t2663.html 2009-01-08T10:37:45-08:00 Ajay a proper schematic would be much better option.. along with the truth table if possible..