<p>orangepi@orangepi:~$ sudo i2cdetect -y 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #i2c2的命令</p><p>orangepi@orangepi:~$ sudo i2cdetect -y 3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #i2c3的命令</p><p>orangepi@orangepi:~$ sudo i2cdetect -y 4 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #i2c4的命令</p>