Yes, pulsing brake light modules are under a $100 and are pretty easy to install but some people like to build things for themselves. Here is a user submitted pulsing brake light schematic that you can make for your bike or your car. Perfect for all you tinkerers out there.
Tag: pulsing brake light
Permanent link to this article: http://metroatlantabikers.com/2014/07/11/pulsing-brake-light-schematic/