I have two active low signals (CHRG and STDBY) from a single li-ion battery charger IC TP4056 Datasheet . CHRG is high impedance when charging is not taking place and Low when charging is taking place STDBY is high impedance when charging is not complete and low when charging is complete. I am usi…

Two control signals one GPIO

gilshultz March 4, 2024, 5:26am 14

If you have an analog pin free you can use it as a digital I/O.

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