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→RTL8811 test
<li><p>First insert the RTL8811 wireless network card module into the USB interface of the development board</p></li>
<li><p>Then the linux system will automatically load the kernel module related to RTL8811 WIFI, through the lsmod command, you can see that the following kernel module has been automatically loaded</p>
{| class="wikitable" style="width:800px;"
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<p>orangepi@orangepi:~$ '''lsmod'''</p>
<pspan style="margin-right: 100px;">Module </span><span style="margin-right: 50px;">Size </span><span style="margin-right: 45px;">Used by</pspan><br><pspan style="margin-right: 100px;">8821cu </span><span style="margin-right: 50px;">1839104 </span><span style="margin-right: 50px;">0</pspan><br>|}</li>
<li><p>Through the dmesg command, you can see the loading information of the RTL8811 module</p>
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<p>orangepi@orangepi:~$ '''dmesg'''</p>
<p>[ 118.618194] usb 2-1: new high-speed USB device number 2 using ehci-platform</p>
<p>[ 118.767235] usb 2-1: SerialNumber: 123456</p>
<p>[ 119.500530] usbcore: registered new interface driver rtl8821cu</p>
<p>[ 119.525498] rtl8821cu 2-1:1.0 wlx1cbfced9d260: renamed from wlan0</p>|}</li><li><p>Then, you can see the WIFI device node through the '''sudo ifconfig''' command. For the [[Orange Pi 5 Plus#WIFI connection test|'''WIFI connection and test method''']], please refer to the section of WIFI connection test, which will not be repeated here</p>{| class="wikitable" style="width:800px;" |-|
<p>orangepi@orangepi:~$ '''sudo ifconfig wlx1cbfced9d260'''</p>
<p>wlx1cbfced9d260: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500</p>
::<p>ether 1c:bf:ce:d9:d2:60 txqueuelen 1000 (Ethernet)</p>::<p>RX packets 0 bytes 0 (0.0 B)</p>::<p>RX errors 0 dropped 0 overruns 0 frame 0</p>::<p>TX packets 0 bytes 0 (0.0 B)</p>::<p>TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0</p>|}</li></ol>
<span id="usb-camera-test"></span>