Power-Off Time Delay Relay circuit


Posted on Feb 7, 2014

The two circuits illustrate opening a relay contact a short time after the ignition or ligh switch is turned off. The capacitor is charged and the relay is closed when the voltage at the diode anode rises to +12 volts..


Power-Off Time Delay Relay circuit
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Lightning Activated Camera Shutter Trigger
    Wireless Coupled Frequency Meter
    Siren
    Acoustic Doppler Motion Detector
    Standalone Circuit Converts Square Waves To Sine Waves
    VU LED Indicator Schematic
    Sound operated flip flop
    Linear SuperCap Charger with Current-Limited Ideal Diode and V/I Monitor
    Automatic Garage / Shed Alarm



    Top