Enable or disable the Arduino uno board LED of pin 13 via Virtuino App using ESP8266 wifi module
Connect an ESP8266 module to Arduino board as the plan below
Click the link below to download Virtuino Library (Don't unzip the downloaded file)
Find and Load Virtuino Library zip file you have just downloaded
On the code set the corect baud rate of your esp8266 module
Enter your wifi network name and password
Enter a correct IP address for your ESP8266 module.
This depends on your router IP
If your Router IP is 192.168.1.1 enter an ip like 192.168.1.140
If your Router IP is 192.168.2.1 enter an ip like 192.168.2.140 etc.
When you are ready connect Arduino board to a USB port and upload the code
Enable your Android device internet connection