This is my voltmeter with ICL7107,I have found this project  on the web here is link 
More pictures in full size you can see it here
<p>the video is private...</p>
hi<br /> the Segment Sinking Current of the ICL7107 is a maximum 8mA<br /> but the Led display absorb over 20mA!!<br /> who do you have resolve this problem??<br /> compliment for your project .<br /> &nbsp;

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Bio: My name is marjancho and I love electronics,makeing gadgets,hack and pranks.
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