# Device Development Guidelines<a name="EN-US_TOPIC_0000001111039536"></a>

-   **[WLAN-connected Products](device-wifi.md)**  

-   **[Cameras Without a Screen](device-iotcamera.md)**  

-   **[Cameras with a Screen](device-camera.md)**  

-   **[Development Guidelines on Clock Apps](device-clock-guide.md)**  

-   **[Development Example for Platform Drivers](device-driver-demo.md)**  

-   **[Development Example for Peripheral Drivers](device-outerdriver-demo.md)**