One such IoT devotee is [Sasa Karanovic], who writes in to tell us about his very impressive custom IoT LED dimmer based on the ESP8266. Rather than rely on a commercial lighting controller ...

with the output being handled by a LED “tower” and speaker on their own respective pins on the microcontroller. Here a Adafruit Feather HUZZAH is used, but any ESP8266 would work in its place.