The ESP8266 ESP-01 is used as a WEB Server to Display Temperature and Humidity information from the DHT11 sensor. Step 1: Parts List ESP8266 ESP-01 DHT11 Temperature and Humidity Sensor 4.7k resistor Step 2: ESP8266 + DHT11 Sensor Wiring Step 3: Upload Code to ESP8266 ** Change “ssid” and “password” to your wifi network