DAC for ESP32 or any arduino
From Federal Burro of Information
good videos
- PT8211 I2S DAC Test with ESP32
- https://www.youtube.com/watch?v=HQVSznvnHh8
- Using the ESP32 DAC - Voltages, Waveforms & Sounds
- https://www.youtube.com/watch?v=-7FosQmioRY