Make your ESP32 talk, playing WAV files on your ESP32, digital sound DAC ADC

In this episode (building on from the last) we will make our ESP32 play WAV files of any sample rate up to 50Khz. I’ll show you what you need and what to do. Full software and write up available at In addition to the supplied example code if you want to add your own you will need to more free pieces of software, the audio editor Audacity: and a Hex Editor (HxD) available at: https://mh-nexus.