Boggler is a small, easy-to-make circuit module which may be implemented in any project, either new or pre-existing, to enable the user to switch between the serial and parallel modes of any two sets of batteries based on the push of a switch.
This repo is solely for the purpose of hosting files related to this circuit. Know more about this circuit by referring to this Hackster post:
Battery Connection Toggler - Boggler
You can also check out its testing video here on YouTube: Boggler Implementation in Line Follower