the Segment Sinking Current of the ICL7107 is a maximum 8mAbut the Led display absorb over 20mA!!who do you have resolve this problem??compliment for your project .
The voltmeter works fine without problems.Just use the schematic from the link.
This comment has been removed by the author.
Unfortunately the link is no longer working: "Error 404" but a search of that website reveals: http://www.electronics-lab.com/projects/test/001/index.html
Thank you for remind me about the link,I fix the problem now:)
hey.These LED Grow Lights were created for indoor plants For the fact that in-house plants cannot get direct sunlight, these lights stands like one and would assist plants in photosynthesis.
similar led voltmeter project:http://www.qubbeks.puslapiai.lt/articles.php?article_id=6
i cant find how to make on the link u provided....can i boy the components and assembly?get in touch firstname.lastname@example.org