Author Options:

Battery Level Indicator Answered

Trying to build me a battery status or level indicator, using the LM339 series IC. I am just not that familiar with this IC. I want to make this using 3 red LED's, 3Yellow and 3 green or using a bar graph LED. Any advise on how to hook this LM339 up?Thanks


The forums are retiring in 2021 and are now closed for new topics and comments.

6 years ago

A LM339 has just 4 converters. You can get 5 different segments with that. For 9 segments check the LM3914/LM3915. The typical application is right in the data sheet.