Of course, you could get rid of the nice-sounding DAC chip and output 5-bit PWM directly from the ESP8266, but aside from being a nice quick demo, it’s going to sound like crap. The other ...

Now you can create a network player on about as cheap hardware as it is possible to find, because [Bgiraut] has produced a client for the ESP32 and ESP8266 ... an I2S DAC for uncompressed streams ...