The MP3 decoder itself is a port of the MAD MP3 library ... 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 ...

There’s hardly a day that passes without an Arduino project that spurs the usual ... used simulation to devise a PID with opamps and a PWM generator is illustrative. As you can see from the ...