hi every one, I have a few questions about powering and charging my project, I'm using a 3.3v proMini, a 3.7 lithium battery. I was planning on using a TB4056 for charging protection, it has a mini USB plug and also two pins I can connect other 5vdc supplies to. I was planning on using two 5v 30mA …

compact project, powerering and charging

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