Depending on the 9 V battery's state of charge, the LED is either continuously on, off, or blinking at one of three rates & duty-cycles

AuthorsGlen Chenier
Main DocumentArticle «Status indicator flags five discharge states»
DescriptionFigure 1
File Format / SizePDF / 18 Kb
Document LanguageEnglish

Depending on the 9 V battery's state of charge, the LED is either continuously on, off, or blinking at one of three rates & duty-cycles