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 20:58:41 -0800 Thu, 08 Jan 2009 20:58:41 -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-t6481.html i'm a freshman of 8051 and i'm going to build a security system as my project.
ur Digital Code lock with LCD and Keypad using AT89C2051 is really helpful
but i have a problem:

i'm using 89s52 as my mcu and i want to use port3 to connect the keypad
and port0 to connect the LCD. how should i modify the program to achieve it?

really need help......THX!!!

]]> Tue, 04 Mar 2008 06:13:46 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html contact@nospam.com (Ajay Bhargav) Tue, 04 Mar 2008 06:20:58 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html actually, i bought a 8951 Single Board Computer from the market and the default LCD port is port0. the 8052 is 40 pins type.
]]> contact@nospam.com (Ajay Bhargav) Tue, 04 Mar 2008 06:47:44 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html In my project i used LCD in 4-bit mode.]]> contact@nospam.com (Ajay Bhargav) Tue, 04 Mar 2008 08:38:24 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html Just tell me how LCD is connected to 8051.. i mean the connections of LCD pins with 8051's port 1. only then i can see what can be done.]]> contact@nospam.com (Ajay Bhargav) Wed, 05 Mar 2008 09:05:40 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html btw, really appreciate ur prompt response!!]]> contact@nospam.com (Ajay Bhargav) Tue, 04 Mar 2008 22:22:56 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html
well, i can't find the bit mode, is it a big matter?]]> contact@nospam.com (Ajay Bhargav) Tue, 04 Mar 2008 23:39:10 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html contact@nospam.com (Ajay Bhargav) Wed, 05 Mar 2008 21:24:50 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html contact@nospam.com (Ajay Bhargav) Thu, 06 Mar 2008 03:54:22 -0800 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html
the lcd works fine in p3 ( actually i have adapted your lcd.c and lcd.h for my project ) but when i connected it to p1 or p2 it doesn't initialize (p0 is used for keypad ) i need to use p3 for interrupts .
pease help]]> contact@nospam.com (Ajay Bhargav) Tue, 30 Sep 2008 21:40:11 -0700 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t13387.html]]> contact@nospam.com (Ajay Bhargav) Wed, 01 Oct 2008 02:48:28 -0700 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html contact@nospam.com (Ajay Bhargav) Wed, 01 Oct 2008 14:02:07 -0700 http://www.8051projects.net/forum-t6481.html http://www.8051projects.net/forum-t6481.html contact@nospam.com (Ajay Bhargav) Wed, 01 Oct 2008 14:30:51 -0700 http://www.8051projects.net/forum-t6481.html