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The following figure is the GPIO pin function diagram of Orange Pi 3:
<div>[[File:Orange-pi-3-img4.png|800px]]</div>
{| class="wikitable" style="text-align:center;width:1000px800px;"
|-
| colspan=3| Orange Pi 3 pin correspondence table
$ cd OrangePiH6_Linux4.9/kernel/drivers/net/wireless<br>
$ git diff .<br>
diff --git a/drivers<br>/net/wireless/Kconfig b/<br>
drivers/net/wireless/Kconfig<br>
index 373666b..b7ebd5c 100755<br>
* Select Realtek 8812A USB WiFi in the kernel configuration and compile it into a kernel module
<br>
<div style="padding-left:300px;">[[File:Orange-pi-3-img11.png|600px]]</div>
* '''Recompile the kernel according to the method of `` Compiling Linux and U-boot Source '''''
<div style="padding-left:300px;">[[File:Orange-pi-3-img12.png|300px]]</div>
Partially compiled log looks like this:
<div style="border:1px solid #dddddd;background:#f1f1f1;padding:5px;">
<br>
First you need to prepare a USB to TTL serial cable similar to the picture below:<br>
<div style="padding-left:200px;">[[File:Orange-pi-3-img28.png|800px600px]]</div>
Connect the serial cable as shown in the figure below. The functions of the cables of different colors are as follows:<br>
* Black——GND
* Green-RX
* White-TX
<div style="padding-left:200px;">[[File:Orange-pi-3-img29.png|800px600px]]</div>
<br>
=== '''Use on Windows platform''' ===
<div>[[File:Orange-pi-3-img30.png|800px]]</div>
Select application installation as administrator<br>
<div style="padding-left:200px;">[[File:Orange-pi-3-img31.png|800px600px]]</div>
Wait for the installation to complete
<div style="padding-left:200px;">[[File:Orange-pi-3-img32.png|800px600px]]</div>
* '''Download and install Putty'''
Putty can be downloaded from the following address, please choose the version suitable for your development environment.<br>