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→Debug serial port connection instructions
==== '''Debug serial port connection instructions''' ====
1)First, you need to prepare a USB to TTL module. This module can be bought in Orange Pi stores. If there are other similar USB to TTL modules, you can also insert the USB end of the USB to TTL module into the USB port of the computer
<div style="padding-left:200px">[[文件:Orange-pi-3ltsone-ttlmoduleimg9.png|600px]]</div>
2)The corresponding relationship between the debug serial port GND, TXD and RXD pins of the development board is shown in the figure below
<div style="padding-left:200px">[[文件:Orange-pi-liteone-img13img10.png|600px]]</div>
3)The GND, TXD and RXD pins of the USB to TTL module need to be connected to the debug serial port of the development board through a DuPont cable<br>
<div style="padding-left:20px">
