hi
i need ur kind considration regrding my project. in which i hv ADC than micro controller and through this display some readings on LCD. the data i hv are the DC voltage levels and corrnspond to it Power (will be display on the LCD)
language i m using for controller is Keil.for this i can make gragh from reading than equation from that.i need ur advice regading the Circiut Daigram

 

In my project, I interface 8051 with ads7841, 12-bit A/D IC, and display the values on a 16x2 LCD module. For more detail see

http://mcu-programming.blogspot.com/2006/09/adc-interfacing.html

However, I program with C and SDCC as the compiler.