Few devices have hit the hacker/maker word with quite as large a bang as the ESP8266. [Brian] first reported a new $5 WiFi module back in August. Since then there have been an explosion of awesome … ...

Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finall… ...

After programming, you can plug your ESP module correctly on the ESP socket of the relay board. In the next step, you can operate the system using a 5-9V DC power source (12VDC maximum). Wi-Fi Relay & ...