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.
  • Tuya-powered OEM app
  • The app built on Tuya’s SDK

Procedure

1. Log in to the Cloud Development Platform.

2. Choose Development > My Cloud Projects, and select a project to be linked.

3. Click the Devices tab.

4. Click Link My App > Add Apps.
   

5. On the Select Apps page, you can select apps to be linked.

6. Click OK.

Action result:

What’s next: You can click Unlink to unlink an app from a project.

Link my WeChat mini program

You can link devices that you have paired by using the WeChat mini programs.

Note: One mini program can be linked with two projects at most. To link with a third project, you must unlink the 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. Log in to the Cloud Development Platform.
2. Choose Development > My Cloud Projects, and select 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 mini programs to be linked.
6. Click OK.

Action result:

What’s next: 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 Tuya Smart or 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 Cloud Development Platform.
2. Choose Development > My Cloud Projects, and select a project to be linked.
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 Tuya Smart or Smart Life app.
6. Click OK.

Action result:

What’s next: You can click Unlink to unlink an app account from a project.

Link PID

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

Note: This method only applies to projects created earlier than 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 products 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. Log in to the Cloud Development Platform.
2. Choose Development > My Cloud Projects, and select a project to be linked.
3. Click the Devices tab.
4. Click Link PID > Add Products.
   
5. On the Select Products page, you can select products to be linked.
6. Click OK.

Action result:

What’s next: You can click Unlink to unlink a product from a project.