Arduino UNO AA/AAA battery checker with 16×2 LCD, Serial logs, and optional LED gauge. 1.1 V ADC ref, mV display, presence hysteresis.
-
Updated
Aug 31, 2025 - C++
Arduino UNO AA/AAA battery checker with 16×2 LCD, Serial logs, and optional LED gauge. 1.1 V ADC ref, mV display, presence hysteresis.
Add a description, image, and links to the alkaline topic page so that developers can more easily learn about it.
To associate your repository with the alkaline topic, visit your repo's landing page and select "manage topics."