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TheSkiGeek t1_jefdalm wrote on March 31, 2023 at 4:36 PM

Reply to comment by rhino369 in eli5: Why do seemingly all battery powered electronics need at least 2 batteries? by OneGuyJeff

Or you could step up the voltage to 3V (or 5V or whatever you need) internally. But these days you can probably get stuff like Bluetooth/wifi chipsets that can run on very low voltage for exactly this kind of usage.