Adjusting the inductor to a lower value to increase the flashing rate severely impacts on the overall flashing times. This circuit only flashes for approximately 30 seconds but adjusting the flashing rate and the option of adding additional lamps does offer some variation.
* The 30uH inductor and 900F capacitor powers and flashes the LED's and optional lamps for approximately 30 seconds. After 30 seconds the blue LED and lamp will progressively fade and stop flashing. The red LED and lamp will cease flashing after approximately 1 minute and the circuit will reach rail voltage. At this stage, only the red LED and lamp will remain illuminated, flick the SPST switch to reset the circuit. The voltage source provides power to the circuit and also controls power to the NOR logic gate and can used to disable the flashing LED's and optional lamps.
* The stable blue LED and lamp indicates the circuit is in "stand by mode" and that the 900F capacitor is fully charged.
* Flick the SPDT switch down to begin the 30 second timed flashing LED and optional lamp sequence.
