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# General
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- [ ] Finish this intro
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For the project the RasPi Camera V2 is used, after trying some alternatives (..)
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![raspycamerav2](uploads/9211f791831901ab6665e5af2aa2374f/raspycamerav2.jpg)
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## Installation of Raspberry Pi Camera V2
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This is a brief overview about what must be done before using the Easpberry Pi Camera V2 with a Raspberry Pi 4 and Ubuntu 20.04.
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`. install/setup.bash`
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## Further Notes
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# Further Notes
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This is the message type, which could be seen with `ros2 topic info /image_raw`
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http://docs.ros.org/en/api/sensor_msgs/html/msg/Image.html
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## Changing Parameters
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- [ ] Move this to a new wiki site page with the name v4l2_camera, since this is a package on its own and should be described so
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One must be careful changing parameters for the camera, this is basically try and error. To see parameters as soon as v4l2_camera_node is running, enter `ros2 param list`. To set an array of pixel value output e.g. use `ros2 param set /v4l2_camera image_size "[1024, 768]"`
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For workaround, one could also navigate into the src folder of v4l2_camera package and change the default values in v4l2_camera.cpp
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