Led Voltmeter By macobt in WorkshopScience14,167202Save PDFFavoriteIntroduction: Led VoltmeterBy macobtmaco projectsFollow More by the author: About: My name is marjancho and I love electronics,makeing gadgets,hack and pranks. More About macobt » 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