Link Devices

You can link devices with cloud development projects to enable device control and management. The platform provides several methods to link devices.

• Link my app
• Link my WeChat mini program
• Link Tuya app account
• Link PID

Link my app

You can link devices with a project. These devices have been paired on the app.

Note: One app can be linked with two projects at most. To link with a third project, you must unlink the app from one of the two linked projects first.

Prerequisites

• You have created a project. For more information about project creation, see Quick Start.
• You have created an app. The following types of apps are supported.
  • OEM app
  • The app built on Tuya’s SDK

Procedure

1. Visit My Cloud Projects.

2. Click a project to be linked.

3. Click the Devices tab.

4. Click Link My App > Add Apps.

   

5. On the page that appears, you can select apps to be linked.

6. Click Save.

7. (Optional) You can click Unlink to unlink an app from a project.

   

Link my WeChat mini program

You can link devices paired through the WeChat mini programs.

Note: One WeChat mini program can be linked with two projects at most. To link with a third project, you must unlink the WeChat mini program from one of the two linked projects first.

Prerequisites

• You have created a project. For more information about project creation, see Quick Start.
• You have created a WeChat mini program.

Procedure

1. Visit My Cloud Projects.

2. Click a project to be linked.

3. Click the Devices tab.

4. Click Link My WeChat Mini Program > Add WeChat Mini Programs.

   

5. On the Link WeChat Mini Programs page, you can select WeChat mini programs to be linked.

6. Click Save.

7. (Optional) You can click Unlink to unlink a WeChat mini program from a project.

   

Link Tuya app account

You can link devices associated with accounts of the Smart Life app with a project.

Note: One app account can be linked with two projects at most. To link with a third project, you must unlink the app account from one of the two linked projects first.

Prerequisites

• You have created a project. For more information about project creation, see Quick Start.
• You have registered an app account.
• The app account is associated with a device.

Procedure

1. Log in to the Tuya IoT Development Platform.

2. Choose Cloud > Development to enter My Cloud Projects and select a project.

3. Click the Devices tab.

4. Click Link Tuya App Account > Add App Account.

   

5. On the Scan QR Code page, you can scan the QR code with the Smart Life app.

6. Tap Confirm on the app.

7. (Optional) You can click Unlink to unlink an app from a project.

   

Link PID

You can link the devices of a product with a project.

Note: This method only applies to projects created before March 24, 2021. The project type of these projects is marked as Others. One product can be linked with two projects at most. To link with a third project, you must unlink the device from one of the two linked projects first.

Prerequisites

• You have created a project. For more information about project creation, see Quick Start.
• You have created a product. For more information about project creation, see Create Products.

Procedure

1. Visit My Cloud Projects.

2. Click a project to be linked.

3. Click the Devices tab.

4. Click Link PID > Add Products.

   

5. On the Choose Products page, you can select products to be linked.

6. Click Save.

7. (Optional) You can click Unlink to unlink a device from a PID.