Open RealtimeAPI Embedded SDK Table of Contents Docs Installation Usage Platform/Device Support This SDK has been developed tested on a esp32s3 and linux. You don't need any physical hardware to run this SDK. You can use it from Linux directly. To use it on hardware purchase either of these microcontrollers. Others may work, but this is what has been developed against. Freenove ESP32-S3-WROOM Sonatino - ESP32-S3 Audio Development Board You can get a ESP32S3 for much less money on eBay/AliExpress...