Originally Posted by
butch50
There are several simple circuits on that website for using either capacitors, for a short standlight, or nicad cells. Also how to recharge nicads,from a Dynohub or generator, also simple voltage regulators that mount on Dynohub terminals. (probably zener diodes).
Or you could just use the bulbs. The red LED tail light bulb is quite bright. Handy that it's a red LED since the once red plastic lens on mine faded to a pale amber over the years. The strobe effect smooths out once you reach 10mph or so.