<h2 style="box-sizing: border-box; margin-bottom: 16px; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid rgb(234, 236, 239); color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; background-color: #ffffff; margin-top: 0px !important;">updating</h2>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Due to the Raspbian GNU/Linux 9.9 (stretch) is not compatible with our Multli Adapter board V2.1, we have updated our board to support new firmware.</li>
   </ul>
<h3 style="box-sizing: border-box; margin-top: 24px; margin-bottom: 16px; font-size: 1.25em; line-height: 1.25; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; background-color: #ffffff;"><a id="user-content-for-the-version-99-above-firmwareyou-can-use-our-new-board" class="anchor" aria-hidden="true" href="https://github.com/ArduCAM/RaspberryPi/tree/master/Multi_Camera_Adapter/Multi_Adapter_Board_4Channel/Multi_Camera_Adapter_V2.2#for-the-version-99-above-firmwareyou-can-use-our-new-board" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none; float: left; padding-right: 4px; margin-left: -20px; line-height: 1;" target="_blank"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>for the version 9.9 above firmware,you can use our new board.</h3>
<p style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;"><a target="_blank" rel="noopener noreferrer" href="https://github.com/ArduCAM/RaspberryPi/blob/master/data/Multi_Cam_Adapter_Board_v2.1.1.jpg" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none;"><img src="https://github.com/ArduCAM/RaspberryPi/raw/master/data/Multi_Cam_Adapter_Board_v2.1.1.jpg" alt="Alt text" style="box-sizing: initial; border-style: none; max-width: 100%;" /></a></p>
<h2 style="box-sizing: border-box; margin-top: 24px; margin-bottom: 16px; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid rgb(234, 236, 239); color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; background-color: #ffffff;"><a id="user-content-quickly-start" class="anchor" aria-hidden="true" href="https://github.com/ArduCAM/RaspberryPi/tree/master/Multi_Camera_Adapter/Multi_Adapter_Board_4Channel/Multi_Camera_Adapter_V2.2#quickly-start" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none; float: left; padding-right: 4px; margin-left: -20px; line-height: 1;" target="_blank"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Quickly start</h2>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Run the below command to install the PyQt5 module</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">sudo apt-get install python-pyqt5</pre>
   </div>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Run the below command to install the cv2 module</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">sudo apt-get install python-opencv</pre>
   </div>
<h2 style="box-sizing: border-box; margin-top: 24px; margin-bottom: 16px; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid rgb(234, 236, 239); color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; background-color: #ffffff;"><a id="user-content-configuration" class="anchor" aria-hidden="true" href="https://github.com/ArduCAM/RaspberryPi/tree/master/Multi_Camera_Adapter/Multi_Adapter_Board_4Channel/Multi_Camera_Adapter_V2.2#configuration" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none; float: left; padding-right: 4px; margin-left: -20px; line-height: 1;" target="_blank"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Configuration</h2>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Enable the camera</li>
   <li style="box-sizing: border-box; margin-top: 0.25em;">Configure the i2c1</li>
   </ul>
<p style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;"><a target="_blank" rel="noopener noreferrer" href="https://github.com/ArduCAM/RaspberryPi/blob/master/data/cfg_i2c1_1.png" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none;"><img src="https://github.com/ArduCAM/RaspberryPi/raw/master/data/cfg_i2c1_1.png" alt="Alt text" style="box-sizing: initial; border-style: none; max-width: 100%;" /></a></p>
<p style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;"><a target="_blank" rel="noopener noreferrer" href="https://github.com/ArduCAM/RaspberryPi/blob/master/data/cfg_i2c1_2.png" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none;"><img src="https://github.com/ArduCAM/RaspberryPi/raw/master/data/cfg_i2c1_2.png" alt="Alt text" style="box-sizing: initial; border-style: none; max-width: 100%;" /></a></p>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Download the RaspberryPi library</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">git clone https://github.com/ArduCAM/RaspberryPi.git</pre>
   </div>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Go to RaspberryPi/Multi_Camera_Adapter/Multi_Adapter_Board_4Channel/Multi_Camera_Adapter_V2.2 folder</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;"><span class="pl-c1" style="box-sizing: border-box; color: #005cc5;">cd</span> RaspberryPi/Multi_Camera_Adapter/Multi_Adapter_Board_4Channel/Multi_Camera_Adapter_V2.2</pre>
   </div>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Run the below command to init and check the camera</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">sudo ./init_camera.sh</pre>
   </div>
<p style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">-If anything is normal, you will see below message&nbsp;<a target="_blank" rel="noopener noreferrer" href="https://github.com/ArduCAM/RaspberryPi/blob/master/data/check_msg.png" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none;"><img src="https://github.com/ArduCAM/RaspberryPi/raw/master/data/check_msg.png" alt="Alt text" style="box-sizing: initial; border-style: none; max-width: 100%;" /></a></p>
<h2 style="box-sizing: border-box; margin-top: 24px; margin-bottom: 16px; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid rgb(234, 236, 239); color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; background-color: #ffffff;"><a id="user-content-add-support-for-pi4-b" class="anchor" aria-hidden="true" href="https://github.com/ArduCAM/RaspberryPi/tree/master/Multi_Camera_Adapter/Multi_Adapter_Board_4Channel/Multi_Camera_Adapter_V2.2#add-support-for-pi4-b" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none; float: left; padding-right: 4px; margin-left: -20px; line-height: 1;" target="_blank"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Add support for Pi4 B</h2>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Just a quick post to let you know that you’ll need a new wiringPi for the Raspberry Pi 4B.</li>
   <li style="box-sizing: border-box; margin-top: 0.25em;">To upgrade:</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;"><span class="pl-c1" style="box-sizing: border-box; color: #005cc5;">cd</span> /tmp</pre>
   </div>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">wget https://project-downloads.drogon.net/wiringpi-latest.deb</pre>
   </div>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">sudo dpkg -i wiringpi-latest.deb</pre>
   </div>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Run the below command to start the demo</li>
   <li style="box-sizing: border-box; margin-top: 0.25em;">opencv2.0</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">sudo python 4cam_cv2.py</pre>
   </div>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">opencv3.0</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;">sudo python 4cam_cv3.py</pre>
   </div>
<p style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;"><a target="_blank" rel="noopener noreferrer" href="https://github.com/ArduCAM/RaspberryPi/blob/master/data/Multi_Camera_Adapter_Board_openCV3.0.png" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none;"><img src="https://github.com/ArduCAM/RaspberryPi/raw/master/data/Multi_Camera_Adapter_Board_openCV3.0.png" alt="Alt text" style="box-sizing: initial; border-style: none; max-width: 100%;" /></a></p>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <li style="box-sizing: border-box;">Operation video demo link</li>
   </ul>
<div class="highlight highlight-source-shell" style="box-sizing: border-box; margin-bottom: 16px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff;">
   <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-break: normal;"> https://youtu.be/DRIeM5uMy0I</pre>
   </div>
<h2 style="box-sizing: border-box; margin-top: 24px; margin-bottom: 16px; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid rgb(234, 236, 239); color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; background-color: #ffffff;"><a id="user-content-troubleshoot" class="anchor" aria-hidden="true" href="https://github.com/ArduCAM/RaspberryPi/tree/master/Multi_Camera_Adapter/Multi_Adapter_Board_4Channel/Multi_Camera_Adapter_V2.2#troubleshoot" style="box-sizing: border-box; background-color: initial; color: #0366d6; text-decoration-line: none; float: left; padding-right: 4px; margin-left: -20px; line-height: 1;" target="_blank"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Troubleshoot</h2>
<ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; color: #24292e; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 16px; background-color: #ffffff; margin-bottom: 0px !important;">
   <li style="box-sizing: border-box;">Can't find video0
      <ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 0px;">
         <li style="box-sizing: border-box;">check if the i2c bus is normal
            <ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; margin-bottom: 0px;">
               <li style="box-sizing: border-box;">add dtparam=i2c_vc=on to /boot/config.txt,then reboot</li>
               <li style="box-sizing: border-box; margin-top: 0.25em;">run i2cdetect -y 0 to check the devive's address.</li>
               <li style="box-sizing: border-box; margin-top: 0.25em;">if it does not detect the device's address, please check the ribbon cable connection to ensure it is not reversed.</li>
               </ul>
            </li>
         </ul>
      </li>
   </ul>