How to use the oak camera on raspberry pie?

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▌ Preface

Hello, Hello everyone , Here is OAK China , I'm your assistant .

There was a zero based user who wanted to use raspberry pie OAK The camera , Ask me how to get started . Today we will share this content , The content comes from the official website Use the tutorial .

▌ Hardware connection

Whether you use raspberry pie 3, Or raspberry pie 4, We recommend that you will OAK Camera connected to USB3.0 On the mouth of .

▌ Enable USB equipment

because OAK yes USB equipment , So in order to use udev Communicate with the tool on its system , You need to add udev Rules to make devices accessible .

The following command will add a new... To your system udev The rules ：

echo 'SUBSYSTEM=="usb", ATTRS{idVendor}=="03e7", MODE="0666"' | sudo tee /etc/udev/rules.d/80-movidius.rules
sudo udevadm control --reload-rules && sudo udevadm trigger

▌ install depthai

There are two installation methods , Choose one of them .（ We recommend 1）
Foreign users have made two video tutorials ：

• 【Augmented Startups】 How to use it on raspberry pie OAK The camera ？
• 【That Project】 OAK-D-Lite In raspberry pie Zero 2 W Using the tutorial on

You can also choose one of them , Heel Dress depthai, All very simple. .

1. Download Image installation

download OAK Raspberry pie mirror image :

Baidu SkyDrive	password ：surj
sourceforge	Address

（PS： If Baidu network disk downloads slowly , Recommend from sourceforge download .）

We have prepared an installation OAK The image of the raspberry pie . After burning, insert raspberry pie and start it .

Download the official raspberry pie burning tool

Open software , Choose our oak Raspberry pie image and memory card you want to burn into , You can start burning .

After successful startup , Open the command line and execute the following command to run oak：

cd depthai
python3 depthai_demo.py

2. git Pulling installation

depthai

git clone https://gitee.com/oakchina/depthai.git

depthai-python

git clone https://gitee.com/oakchina/depthai-python.git

depthai-experiments

git clone https://gitee.com/oakchina/depthai-experiments.git

Installation dependency :

python3 -m pip install -r depthai/requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple

Execute the following command :

python3 depthai/depthai_demo.py

▌ Examples of use

Now you can view depthai-examples Example in , Pick the examples you're interested in and run through them .

▌ Common mistakes

On raspberry pie , function sudo upgrade after , In the import cv2 When it's possible realloc(): invalid pointern Aborted error . We have the same problem , And found a solution :

• By running sudo apt install -y --allow-downgrades libc6=2.28-10+rpi1 Command to make libc6 Downgrade .
• By running sudo curl -fL http://docs.luxonis.com/_static/install_dependencies.sh | bash Command reinstall depthai rely on .

▌ Reference material

https://docs.oakchina.cn/en/latest/
https://www.oakchina.cn/selection-guide/

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