Jarek Lupinski created a Teensy 3.x shield for e-paper displays:

Teensy E-Paper Adapter Board

E-Paper is not a simple display to drive. With manual temperature compensation, onboard power regulation requiring external capacitors, and setting up a step-up circuit, there are many factors to consider when working with this display, with the large benefit of not requiring any power to maintain its image once written.

I have created the simplest possible circuit necessary to drive the Pervasive Displays E2215CS062 , available from your favorite distributor. Certain parts from the reference design were substituted with US-available equivalents with assistance from the Pervasive Displays engineering team.

source: https://hackaday.io/project/13327-teensy-e-paper-adapter-board

source: https://hackaday.io/project/13327-teensy-e-paper-adapter-board