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2025-05-16 15:23:31 +02:00
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docs/source/cameras.mdx
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# Cameras
Here we describe how to setup and use a camera with LeRobot. We support different ways of capturing videos in LeRobot such as using a phone camera, integrated laptop camera, external webcam or an Intel realsense camera.
## Setup Cameras
Here we describe how to set up and use a camera with LeRobot. We support different ways of capturing videos in LeRobot, such as using a phone camera, an integrated laptop camera, an external webcam, or an Intel realsense camera.
## Set up Cameras
There are three ways to connect and use a camera with LeRobot:
1. Use [Camera Class](./setup_cameras?use+phone=Mac#use-opencvcamera) which allows you to use any camera: usb, realsense, laptop webcam
1. Use [Camera Class](./setup_cameras?use+phone=Mac#use-opencvcamera), which allows you to use any camera: usb, realsense, laptop webcam
2. Use [iPhone camera](./setup_cameras?use+phone=Mac#use-your-phone) with MacOS
3. Use [Phone camera](./setup_cameras?use+phone=Linux#use-your-phone) on Linux
### Use Camera Class
In LeRobot you can efficiently record frames from most cameras using either the OpenCVCamera class or the RealSenseCamera class. For more details on compatibility for the OpenCVCamera class, see [Video I/O with OpenCV Overview](https://docs.opencv.org/4.x/d0/da7/videoio_overview.html).
In LeRobot, you can efficiently record frames from most cameras using either the OpenCVCamera class or the RealSenseCamera class. For more details on compatibility for the OpenCVCamera class, see [Video I/O with OpenCV Overview](https://docs.opencv.org/4.x/d0/da7/videoio_overview.html).
To instantiate an camera, you need a camera index. When you only have one camera like a webcam of a laptop, the camera index is usually `0` but it might differ, and the camera index might change if you reboot your computer or re-plug your camera. This behavior depends on your operating system.
To instantiate a camera, you need a camera index. When you only have one camera like a webcam of a laptop, the camera index is usually `0` but it might differ, and the camera index might change if you reboot your computer or re-plug your camera. This behavior depends on your operating system.
To find the camera indices, run the following script:
```bash
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```
> [!WARNING]
> On MacOS you could get this error: `Error finding RealSense cameras: failed to set power state`, this can be solved by running the same command with `sudo` permissions.
Now that you have the camera indexes, you should specify the camera's in the config.
> On , you could get this error: `Error finding RealSense cameras: failed to set power state`, this can be solved by running the same command with `sudo` permissions.
### Use your phone
<hfoptions id="use phone">