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[tiger]

hi sir
iam using 89c51 with C51 compiler
i want display voltage on & four 7segment leds.I converted anlog voltage to digital
using ADC.now i want display voltage on & 7-segment leds like
0.001v
0.002v
.
.
.
5.000v

iam using only one port P1 conacted to the 7-segmentLEDs and i conacted
4 transisters to the port-P2 ( P2.1 p2.2 p2.3 p2.4 ).
how to selact the transister according to voltage
pleace give one C program on this logic

Thanks.

tiger

[myturf]

You can refer to this

http://chaokhun.kmitl.ac.th/~kswichit/2051/7-seg/7-seg.htm

http://www.mytutorialcafe.com

it might help you some of the question...