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 2008 Rickey's World contact@nospam.com (Ajay Bhargav) contact@nospam.com (Ajay Bhargav) Thu, 08 Jan 2009 21:50:57 -0800 Thu, 08 Jan 2009 21:50:57 -0800 http://backend.userland.com/rss e107 (http://e107.org) 60 Search 8051 Microcontroller Projects AVR PIC Projects Tutorials Ebooks Libraries codes query http://www.8051projects.net/search.php http://www.8051projects.net/forum-t7458.html Sun, 23 Mar 2008 02:48:29 -0700 http://www.8051projects.net/forum-t7458.html http://www.8051projects.net/forum-t7458.html contact@nospam.com (Ajay Bhargav) Sun, 23 Mar 2008 09:03:19 -0700 http://www.8051projects.net/forum-t7458.html http://www.8051projects.net/forum-t7458.html When you connect the ULN instead of the LED,the relay will be off when the command is for switching on and vice-versa.So you may connect the fl. bulb to the NC of the relay so that when the relay switches off(with the 'on' command),your bulb lights up.]]> contact@nospam.com (Ajay Bhargav) Sun, 23 Mar 2008 10:04:39 -0700 http://www.8051projects.net/forum-t7458.html http://www.8051projects.net/forum-t7458.html i don't have any idea how to check my circuit.
can i show the picture of my circuit here?
i've have to present this project on monday, now is already saturday.
i can't finish my report if this project does not work.
LoL ]]> contact@nospam.com (Ajay Bhargav) Fri, 02 May 2008 04:09:36 -0700 http://www.8051projects.net/forum-t7458.html http://www.8051projects.net/forum-t7458.html To check ur relay connection across the uln chip, just connect a LED across the relay coil with a resistor in series so that it lights up when the relay is turned ON.]]> contact@nospam.com (Ajay Bhargav) Fri, 02 May 2008 04:42:03 -0700 http://www.8051projects.net/forum-t7458.html