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docs/source/5_advanced_guide/net_camera.md

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+# Net_camera
+
+> This section describes how to use Net camera in OrbbecSDK_ROS2.Currently, only Femto_Mega, Gemini 335Le and Gemini 435Le devices are supported, and other Net devices will be supported in the near future.
+
+## Femto Mega & Gemini 435Le
+
+### Parameter Introduction
+
+Network device settings: `enumerate_net_device` is set to true, which will automatically enumerate network devices.
+
+If you do not want to automatically enumerate network devices,you can set `enumerate_net_device` to false, `net_device_ip` to the device's IP address, and `net_device_port` to the default value of 8090.
+
+* `enumerate_net_device` : Enable automatically enumerate network devices.
+* `net_device_ip` : Setting net device's IP address.
+* `net_device_port` : Setting net device's port.Usually, you can set it to 8090.
+
+### Single Net camera
+
+> If you need to run Gemini 435Le, you only need to replace [femto_mega.launch.py ](../../launch/femto_mega.launch.py)in the run command with [gemini435_le.launch.py](../../launch/gemini435_le.launch.py)
+
+For [femto_mega.launch.py](../../launch/femto_mega.launch.py) as an example:
+
+#### automatically enumerate network devices:
+
+```bash
+ros2 launch orbbec_camera femto_mega.launch.py enumerate_net_device:=true
+```
+
+#### Specify IP address to start the device:
+
+Note: `net_device_ip` needs to be changed to the IP address of the device, here it is 192.168.1.10
+
+```bash
+ros2 launch orbbec_camera femto_mega.launch.py enumerate_net_device:=false net_device_ip:=192.168.1.10 net_device_port:=8090
+```
+
+## Gemini 335Le
+
+Network device settings: `enumerate_net_device` must be set to true, set `net_device_ip` to the IP address of the device, and set `net_device_port` to the default value of 8090.
+
+* `enumerate_net_device` : Enable automatically enumerate network devices.
+* `net_device_ip` : Setting net device's IP address.
+* `net_device_port` : Setting net device's port.Usually, you can set it to 8090.
+
+### Single Net camera
+
+For [gemini_330_series.launch.py](../../launch/gemini_330_series.launch.py) as an example:
+
+- **automatically enumerate network devices:**
+
+```bash
+ros2 launch orbbec_camera gemini_330_series.launch.py enumerate_net_device:=true
+```
+
+- **Specify IP address to start the device:**
+
+Note: `net_device_ip` needs to be changed to the IP address of the device, here it is 192.168.1.10
+
+```bash
+ros2 launch orbbec_camera gemini_330_series.launch.py enumerate_net_device:=true net_device_ip:=192.168.1.10 net_device_port:=8090
+```
+
+## Multi Net camera
+
+For [multi_net_camera.launch.py](./multi_net_camera.launch.py) as an example:
+
+```bash
+ros2 launch orbbec_camera multi_net_camera.launch.py
+```