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 2009-01-08T12:29:21-08:00 contact@nospam.com hourly 1 2000-01-01T12:00+00:00 http://www.8051projects.net/forum-t8716.html 2009-01-08T12:29:21-08:00 how can i store data inside the eeprom area of 8952 so that i can retrive it after power failure http://www.8051projects.net/forum-t8716.html 2009-01-08T12:29:21-08:00 pdi33 which derivative of the 8051 are u using because 89c52 or 89s52 does not have an inbuilt eeprom. u have to interface an external eeprom like 24cxx to the controller. http://www.8051projects.net/forum-t8716.html 2009-01-08T12:29:21-08:00 okk how to interface eeprom to the 89s52. in 89s52 based weighing balace user can store some data without external eeprom.how is this possible. http://www.8051projects.net/forum-t8716.html 2009-01-08T12:29:21-08:00 shyam try googling for At24cxx.exeu will get the code generator for all atmel 24 series I2C based memories they are very cheap and very easy to interface.. http://www.8051projects.net/forum-t8716.html 2009-01-08T12:29:21-08:00 Ajay you can get them from atmel's website...