Battery voltage monitor circuit by LM339


Posted on Feb 7, 2014

This simple low voltage tester circuit can be used to monitor battery and other voltage sources of current for problems, by LED display and alarm sound. Which..


Battery voltage monitor circuit by LM339
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Mains supply fail Emergency Light
    Overvoltage protection for RS232
    PHOBoS DIY Synth schematics
    intercom circuit with transistors
    passive aircraft receiver
    Tesla Switch
    5-motor walker circuit
    Square Wave Oscillator
    Telephone Ringer
    Phone to Microcontroller interfacing with DTMF
    Using the same parameters more convenient level 36dB-oct low-pass filter design



    Top