ESP8266 based board for WS2812B RBG Led control 🙂 Color changing through IoT app is also possible due the built-in Wi-Fi hardware in the ESP module. : r/esp32
NodeMCU Basic Project-Blink a LED - Instructables
How to Use ESP-01 ESP-01S Pins and Leds : 9 Steps - Instructables
LED Blinking using ESP8266 - NodeMCU
Turn off the second builtin Nodemcu 0.9 led - Arduino Stack Exchange
NODEMCU - Arduino Core 2.LED ON/OFF from WebBrowser - YouTube