If you must have a ZIP file, you can download the entire arduino-esp32 repository from GitHub. The library resides in the libraries/RainMaker folder. Key Features of RMaker.h arduino-esp32/libraries/RainMaker/src/RMaker.h at master
In the rapidly evolving world of embedded systems and IoT (Internet of Things), having the right libraries is critical for efficient development. For developers working with and ESP8266 chips, the rmaker.h library has become an essential component. This library is the backbone of ESP RainMaker , Espressif’s end-to-end platform for creating AIoT (Artificial Intelligence of Things) solutions. rmaker.h library download zip