<div style="padding-left:200px">[[文件:Orange-pi-3lts-ttlmodule.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

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>

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