ESP8266

ESP8266 Kit is a very inexpensive chip that implements 802.11 2.4GHz WiFi interface. Click here to get started with ESP8266

INSTRUCTIONS

1. Download DHT11 folder and paste it in Arduino library folder. ( C:\Program Files (x86)\Arduino\libraries)

2. Change the ssid and pass to your WiFi SSID and password.

3. Before connecting the board to USB make sure K1 and K2 are switched on.

4. After uploading open Serial monitor and set the baud rate to 9600

5. You will see the IP address of the board once it is connected to WiFi successfully.

6. Go to the IP address in your browser

7. You can see the Temperature, Humidity readings.

Screenshot

DHT11 in action