Simple deep discharge protection for battery operated sensors?



  • Hello everybody,

    I have a few mobile battery powered Ardruinos to measure the temperature. These are powered by 3 AA batteries. But always one of the three batteries is deeply discharged (0V!). To avoid this in the future, I wanted to ask if someone knows a simple circuit that prevents this? If it is possible, this circuit should not require much power.

    Hope I am here in the right area of the forum 🙂


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