ESP8266 AT Commands
The ESP8366 can be programmed to respond to a set of AT Commands, to allow a host processor to manage the ESP8266 as a WiFi slave. https://www.google.com/search?q=ESP8266-01+at+command+set https://www.google.com/search?q=espressif+at+command+set https://www.instructables.com/Getting-Started-With-the-ESP8266-ESP-01/ https://www.youtube.com/watch?v=MPyShmRcgD0 Attempting to follow along with this example: https://www.instructables.com/Getting-Started-With-the-ESP8266-ESP-01/