12v automotive electrical voltage


Posted on Feb 5, 2014

When troubleshooting the 12v electrical system of an automobile, its nice to possess an easy voltage indicator tool rather than a voltmeter. This electronic circuit, is powered by 2 AA or perhaps 2 N cells, which can offer enough energy for years of service. The circuit has solely two leads. One lead connects to the chassis ground of the automotiv


12v automotive electrical voltage
Click here to download the full size of the above Circuit.

e. The second lead will be sharp tip probe. The circuit can indicate if an automotive electrical circuit has zero volts or 12 volts present. If the voltage is close to +12v, a inexperienced LED will activate. If the voltage is close to chassis ground a red LED will activate. If the circuit is open, neither light will light. The circuit attracts so few current in the open standby mode that no on/off switch is needed.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Filter Wiz PRO
    Beeper Circuit
    Car 20W audio booster amplifier
    Motor speed control circuit
    Micropower double ended limit detector
    Reflex Radio Receiver
    Worlds first Arduino flashlight ships soon
    Infrared Proximity Detector Alarm
    new pedal schematic
    Using tap potentiometer loudness circuit
    Tone selector circuit



    Top