Arduino Uno R3 Battery Tester

This simple project is intended to help you in answering the lifelong question "Does this battery have any juice left?". Although popularity of single cell batteries (such as AA, AAA, C and D cell) is diminishing, there are still many small devices like TV remotes, flashlights, and other small portable electronics that run on these forms of power. Step 1: Hardware Required In order to make a battery tester, ...

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