For his example image, [CNLohr] has a few WS2812 RGB LEDs connected to the ESP8266 WiFi module. Uploading the image turns the LEDs into something controllable with UDP packets on port 7777.

“This environment is ideal for the sort of 2D scrolling games that dominated the 8 and 16-bit era of gaming” Way to hit home how 99% of the ESP8266’s out in the wild are merely idling.