>I need to measure 28 battery voltage i.e 336V and to display that using adc >0804 so my hardware design is ready using 89s52 and uln 2003 ,3 7-segment >display. only i require help in assembly program if somebody have done this >project then i can get help from them.

The Voltage to high for ADC0804.
Used Ic DC-DC converter to decrease the voltage then the Display(i.e seven segment) restore the exactly voltage.

Like 336VDC represented with 33.6VDC or 3.36VDC.

Need more info's.

Thank's
Jeckson Ben