1# Device Development Guidelines<a name="EN-US_TOPIC_0000001111039536"></a> 2 3- **[WLAN-connected Products](device-wifi.md)** 4 5- **[Cameras Without a Screen](device-iotcamera.md)** 6 7- **[Cameras with a Screen](device-camera.md)** 8 9- **[Development Guidelines on Clock Apps](device-clock-guide.md)** 10 11- **[Development Example for Platform Drivers](device-driver-demo.md)** 12 13- **[Development Example for Peripheral Drivers](device-outerdriver-demo.md)** 14 15 16