hmm i just wonder can i replace my Intel 8051/Atmel 89s52 with arduino? and hmm i would like to ask schematic for it =)
can i replace my Intel 8051/Atmel 89s52 with arduino?
That would depend entirely on what the Intel 8051/Atmel 89s52 is doing for you.
i would like to ask schematic for it
So, ask. When you do, please be sure to describe what "it" is.
a little school project which using intel 8051/ At89s52, RTC and Lcd screen to create a rtc based digital calender =), schematic of Arduino which... you recommended
All the Arduino schematics are published here:
Any of them would be suitable for what you want to do.