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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 storesStore. If there are other similar USB to TTL modules, you can also insert the USB end port of the USB to TTL module into the USB port of the computerInterface
<div style="padding-left:200px">[[文件:Orange-pi-one-img9.png|600px]]</div>
2)The corresponding relationship between the debug serial port GND, TXD TX and RXD RX pins of the development board is shown in the figure below
<div style="padding-left:200px">[[文件:Orange-pi-pc-img4.png|600px]]</div>
3)The GND, TXD TX and RXD RX pins of the USB to TTL module need to be connected to the debug serial port of the development board through a DuPont Dupont cable<br>
<div style="padding-left:20px">
a. Connect the GND of the USB to TTL module to the GND of the development board<br>
b. Connect the RXD RX of the USB to TTL module to the TXD TX of the development board<br>c. Connect the TXD TX of the USB to TTL module to the RXD RX of the development board
</div>
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