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→26pin UART test
<li><p>uart5 is disabled by default in the Linux system, and it needs to be opened manually to use it. The steps to open are as follows:</p>
<ol style="list-style-type: lower-alpha;">
<li><p>First run '''orangepi-config''', normal users remember to add > '''sudo''' permission</p>
{| class="wikitable" style="width:800px;"
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<li><p>Then select '''Hardware'''</p>
<p>[[File:media/image86.png|393x202px]]</p></li>
<li><p>Then use the arrow keys on the keyboard to navigate to the > position shown in the figure below, and then use the '''space''' > to select '''ph-uart5'''</p>
<p>[[File:media/image182.png|400x60px]]</p></li>
<li><p>Then select '''<Save>''' to save</p>
<li><p>Then select '''<Back>'''</p>
<p>[[File:media/image89.png|395x91px]]</p></li>
<li><p>Then select '''<Reboot>''' to restart the system to make the > configuration take effect</p>
<p>[[File:media/image90.png|374x187px]]</p></li></ol>
</li>
