r-item expanded "><a href="../chapter_2/2.1/2.1.3.html"><strong aria-hidden="true">2.1.3.</strong> Introduction to Common IoT Cloud Platforms</a></li></ol></li><li class="chapter-item expanded "><a href="../chapter_2/2.2/index.html"><strong aria-hidden="true">2.2.</strong> üßê Practice: Smart Light Project</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../chapter_2/2.2/2.2.1.html"><strong aria-hidden="true">2.2.1.</strong> Project Structure</a></li><li class="chapter-item 