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→Connection instructions for debugging serial port
=== '''How to debug the serial port''' ===
==== '''Connection instructions for debugging Debug serial portconnection instructions''' ====1)First, you need to prepare a USB to TTL module. This module can be purchased bought in Orange Pi's storestores. If there are other similar USB to TTL modules, then you can also insert the USB end of the USB to TTL module into the USB interface port of the computer. middle
<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