The date attached is the date the first module was deployed; the site and materials are continuously updated. For instance, the software was updated to Scala 3 on Jun 9 2021 and additional modules and materials will be added over time.
Content of hosted version (https://theintelligentbook.com/circuitsup/) is published under a Creative Commons Attribution 3.0 Unported (CC BY 3.0) license (https://creativecommons.org/licenses/by/3.0/). Source code is provided under an MIT license (https://opensource.org/licenses/MIT).