This method downloads the entire codebase, including all necessary submodules, which is more reliable than downloading a ZIP file that might not have the complete structure.
The ESP32 core installation is incomplete or corrupted. Solution: Try uninstalling and reinstalling the ESP32 board package via the Boards Manager. rmaker.h library download zip
Locate the RainMaker library inside the extracted folder under libraries/ESP_RainMaker/ . ⚙️ How to Install the ESP_RainMaker Library Package This method downloads the entire codebase, including all