After successful uploading of the code, the execution of the code makes the LED blink on and off with a small delay in between. Because this happens in an infinite loop, the LED keeps blinking. /* ESP ...

The ESP8266 now has a barebones build environment focused on minimizing code size, as little as 131 bytes to boot up and blink an LED.

It’s a drop-in replacement for the Adafruit GFX and driver libraries, so you don’t need to rework your code to take advantage of it. If you’re looking to drive an LCD screen with an ESP8266 ...