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DIgital Voltmeter


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RE: http://www.electronics-lab.com/projects/test/014/

The project recomends the ICL 7107 IC but as i couldnt find it I substituted it with a ICL7106.
The onlty difference between the two is that the 7106 drives LcD while the 7107 drives LED's.

My questions:
> Can i modify the circuit in any way to make the 7106 drive led's?
> Is there any discreet 7segment displays in LCD format? Whole LCD's are way too big and expensive.
> can i use LCDs salveged from calculators? If yes, how?

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