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→How to install ROS 1 Noetic on Ubuntu 20.04
<li><p>After running the '''test_ros.sh''' script, a little turtle as shown in the figure below will pop up</p>
<p>[[File:media/image272.png|575x291px]]</p></li>
<li><p>Then please keep the terminal window you just opened on top</p></li></ol>
<div class="figure">
[[File:media/image273.jpeg|575x269px|C:\Users\orangepi\Desktop\用户手册插图\Zero3\未标题-5.jpg未标题-5]]
</div></ol>
<ol start="9" style="list-style-type: decimal;">
<li><p>At this time, press the direction keys on the keyboard to control the little turtle to move up, down, left, and right</p>