• Amplificador(Transistor BC547B)

    Amplificador(Transistor BC547B)

    D

    dannyjano

    +

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    U
    U

    2 years ago

    0 Uses

    4 Comments

    0 Stars

  • 24V Low Battery Alarm

    24V Low Battery Alarm

    Low-voltage monitoring circuit for a nominal 24V DC input. The TL431 threshold detector and BC547B driver activate a 5V active buzzer when PLUS drops below about 19.5V.

    V

    voron37

    a month ago

    0 Uses

    0 Comments

    0 Stars