Capstone Project Topic Query

The topic for the final capstone project for submission can be whatever we choose or it should be the solution based on the pharma cooling system problem as mentioned under Project 16:Capstone Project?

capstone project is not for submission it is for our understanding purpose weather we understand it or not. After completing the capstone project you can do any of your own project or take some reference from other project but you have to use Bolt module to be used for evaluation.

How do i connect 3v dc motor using the gpio pins of bolt to set it as high and low? Is it possible to do that?

your doubt should be clear go through the highlighted link you will find your answer.
How to connect motors