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Digital Voltmeter!!

I would like to create a digital voltmeter for my project. So need to get more precise explanation about it. already i am working on it. but i could not get good result.7 segment display does not showing perfect number..please send me schematic diagram of digital voltmeter..i dont know where the main problem?
 

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davenn

Moderator
show us your circuit diagram

just seeing a mess of wires doesn't help us to figure out where you may have gone wrong

cheers
Dave
 
But i need to know 7segment display pin diagram !!! please give me some example about pin diagram numbering...maybe i make mistake there ....
 

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