Create a TUYA account
Install your App from Google Play or Apple Store, on your tablet or smartphone (It is necessary to have an Android version 4.1 or iOS 8.0 or higher) and create a user account.
Select your geographic area and enter your email account or phone number that will be used as a user. You will automatically receive in your email a numeric code to verify your account.
Then enter an access password between 6 and 20 characters.
Create your home by adding the rooms it has, you can also create the zone of the house.
In the home screen you have the rooms so that you can add devices inside each one from the button above to the right.
There are many types of devices that can be synchronized. Even by proximity
Choose a device type and make sure that the Wifi is at 2.4GH and that the device has a pilot or is blinking. Then enter the Wifi of the House, office, shop where the device is installed.
You will start looking for the device, usually finds it fast, between 15 and 30% if by then you haven't found it let it do it up to 100% if it's the first time. If you don't get it the first time, try again. Make sure that the password is set correctly and that the WiFi is at 2.4 GHz.
When the device is already synchronized you have to give it a very specific name to know that it switches on and off. Also choose the room in which it is located.