Send the following on WhatsApp
Continue to ChatUsing ESP8266/ESP8285 to Blink an LED https://itead.cc/diy-kits-guides/using-esp8266-esp8285-to-blink-an-led/
Using ESP8266/ESP8285 to Blink an LED https://itead.cc/diy-kits-guides/using-esp8266-esp8285-to-blink-an-led/