Using the resistors, diodes, USB serial adapter, and breadboard wires, build this circuit on the breadboard.

If you don't know how to use a breadboard, YouTube is a great place to learn.

Sorry for the stupid cropping of the image, iFixit doesn't like it. See the full image at https://www.mobileread.com/forums/showth...

Then, using alligator clips, connect the wires on the "kindle" side of the schematic to the appropriate wires from the Kindle.