Fading LED Circuit

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Bought some awesome 1mF capacitors. Time to test them out.

Fading LED Circuit

View the circuit in CircuitLab

Pressing the button switches on the power and lights the led. The capacitors are also charged. Release the button to cut primary power, the capacitors will slowly empty and the LED will fade. Vary the size of the capacitor to increase/decrease the stored charge and time delay.

LED capacitor circuit

See also: Make Presents: The Capacitor