g aria-hidden="true">4.3.</strong> ESP-IDF Compilation System</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../chapter_4/4.3/4.3.1.html"><strong aria-hidden="true">4.3.1.</strong> Basic Concepts of Compilation System</a></li><li class="chapter-item expanded "><a href="../chapter_4/4.3/4.3.2.html"><strong aria-hidden="true">4.3.2.</strong> Project File Structure</a></li><li class="chapter-item expanded "><a href="../chapter_4/4.3/4.3.3.html"><strong aria-hidden="true">4.3.3.</st