Add battery support for Arduino project

Other Hardware General Electronics
1

Hello, I'm new to Arduino. Before that, I worked on ready-made codes, uploaded them, tested them.

I have several disposable electronic cigarette (HQD) batteries. I want to connect them with my Arduino (or other board, it doesn't matter). Also I have an 0.96 inch OLED display. Please tell me, maybe there are already ready-made solutions, or videos on YouTube, or similar topics on the forum, how can I combine all this? I want to add the following things:

  • battery powered board
  • battery charging via USB-C or MicroUSB
  • display of the battery charge on the OLED screen.

Thanks in advance for your replies.

2

Do a search on "arduino battery charger"... you will see a few projects out there, pick your favorite. Here's one from DigiKey (more reputable than Instructables):

Do a search on "arduino oled" and pick your favorite. My favorite is DroneBotWorkshop:

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