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→How to use the use of wireless network card
| Chip model || Function || VID&PID || Adaptation
|-
| RTL8821CU || 2.4G +5G WIFI+BT 4.2 || 0bda:c820 || '''<span style="color:#FF0000">Only support wifi, Bluetooth needs to be adapted</span>'''
|-
| RTL8723BU || 2.4G WIFI+BT4.0 || 0bda:b720 || '''<span style="color:#FF0000">Only support wifi, Bluetooth needs to be adapted</span>'''
|-
| RTL8811CU || 2.4G +5G WIFI || 0bda:c811 || '''Only WIFI function, supported'''
|}
2) The picture of the above three USB wireless network cards is shown below：<br>
c. The picture of the RTL8811CU USB wireless network card module is shown below：<br><br>
[[Image:Pi-5-details2-pic23.png]]<br><br>
3) The test methods of the USB wireless network cards of the above 3 models are the same. First, insert the USB network card into the USB interface of the development board, and then enter '''Setting'''<br><br>[[Image:Pi-5-details2-pic24.png]]<br><br>4) 然后 WIFI 的连接和测试方法请参考 Then choose '''Network & internet'''<br><span style="colorbr>[[Image:#0066CC;"Pi-5-details2-pic25.png]]<br><br>5) Then choose '''Internet'''<br><br>[[Image:Pi-5-details2-pic26.png]]<br><br>6) Then turn on the '''Wi-Fi''' switch<br><br>[[Orange Image:Pi -5 detail#WIFI 的连接测试方法 | WIFI 的连接测试方法-details2-pic27.png]]</spanbr><br>一节7) If everything is normal after opening the '''Wi-Fi''', you can scan to the nearby Wi-Fi hotspot<br><br>[[Image:Pi-5-details2-pic28.png]]<br><br>8) 蓝牙的测试请参考Then select the Wi-Fi you want to connect, and you will pop up the password input interface shown in the figure below<br><span style="colorbr>[[Image:#0066CC;"Pi-5-details2-pic29.png]]<br><br>9) Then use the keyboard to enter the corresponding password of the wi-fi, and then use the mouse to click the Enter button in the virtual keyboard to start connecting Wi-Fi<br><br>[[Orange Image:Pi -5 detail#蓝牙的测试方法 | 蓝牙的测试方法-details2-pic30.png]]</spanbr><br>10) The display after the Wi-Fi connection is successful as shown in the figure below：<br><br>一节[[Image:Pi-5-details2-pic31.png]]<br><br>
=== 26pin GPIO 口测试 ===