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→Instructions for using the 5v pin in the 40pin interface of the development board to supply power
<li><p>Use the 5V pin in the 40pin interface to supply power to the development board. The connection method of the power line is as follows</p>
<ol style="list-style-type: lower-alpha;">
<li><p>The USB A port of the power cord shown in the above picture needs to be plugged into the 5V/3A or 5V4A power adapter connector ('''<span style="color:#FF0000">please do not plug into the computer's USB port for power supply</span>''')</p></li>
<li><p>The red DuPont line needs to be plugged into the 5V pin of the development board 40pin</p></li>
<li><p>The black Dupont wire needs to be inserted into the GND pin of the 40pin interface</p></li>
<li><p>The position of the 5V pin and GND pin of the 40pin interface on the development board is shown in the figure below, '''<span style="color:#FF0000">remember not to reverse the connection</span>'''</p></li>
[[File:pi3b-img170.png]]