We have a display and wires and the most important thing that is ESP8266 and the last component that is potentiometer. With this componentes we can do a interesant light, we conected wires with the display and we add to the circuit a potentiometer, finally with this components the display started to do a light. After have the circuit with the display we can write interesant words. But we need a Code, that we need to write in Arduino, finally writed the Code the display Will start to write words.
Exemple: