DAC for ESP32 or any arduino

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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

picked up some mcp4725