The experimenters guide has available source code and breadboard diagrams freely available for download on our GitHub: 

Fritzing Diagrams

We designed the breadboard layout diagrams you see in this guide using the Open Source tool Fritzing. If you’d like to view or modify any of these templates, click the button below:

Note: Most of the diagrams include components for Fritzing from the Adafruit Fritzing Parts/Boards Library. You'll need to download and install this  order to edit our diagrams.

Code

We also have the newest version of all of this guide's code stored in github Github repository. Feel free to submit issues, contributions, requests and modifications to this repository, we'll answer any questions you have in the community support forums.