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Admin https://wiki.geekworm.com/index.php?title=How_to_enable_I2C&diff=16895&oldid=prev 2023-07-24T08:39:56Z

<p></p> <p><b>New page</b></p><div>{{GD Template Impl}}<br /> How to enable I2C funcion on Raspbian:<br /> <br /> Please run the following command after you start the Raspberry Pi<br /> <br /> sudo raspi-config<br /> <br /> Select 5 Interfacing Options and then P5 I2C - Enable/Disable automatic loading. A prompt will appear asking Would you like the ARM I2C interface to be enabled?, select &quot;Yes&quot; <br /> <br /> [[File:Rpi-config-1.jpg|none]]<br /> <br /> [[File:Rpi-config-5.jpg|none]]<br /> <br /> [[File:Rpi-config-6.jpg|none]]<br /> <br /> Select &quot;OK&quot;<br /> <br /> Select &quot;Finish&quot; to return to the command line and reboot your raspberry pi.<br /> sudo reboot<br /> <br /> The Raspberry Pi will reboot and the &#039;i2c&#039; interface will be enabled.<br /> <br /> <br /> Then run the following command to check i2c port<br /> sudo i2cdetect -y 1<br /> <br /> The following is the I2C address of [[X729]]<br /> &lt;pre&gt;<br /> pi@raspberrypi:~ $ sudo i2cdetect -y 1<br /> 0 1 2 3 4 5 6 7 8 9 a b c d e f<br /> 00: -- -- -- -- -- -- -- -- <br /> 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> 30: -- -- -- -- -- -- 36 -- -- -- -- -- 3c -- -- -- <br /> 40: 40 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> 60: -- -- -- -- -- -- -- -- 68 -- -- -- -- -- -- -- <br /> 70: -- -- -- -- -- -- -- -- <br /> &lt;/pre&gt;<br /> &lt;pre&gt;<br /> #36 - the address of the battery fuel gauging chip<br /> #3c - OLED display<br /> #40 - TI INA219 12-bit current/voltage/power monitor<br /> #68 - the address of the RTC chip<br /> &lt;/pre&gt;<br /> <br /> PS: Different hardware products may have different I2C addresses<br /> <br /> &lt;!--Add review function! --&gt;<br /> &lt;comments /&gt;<br /> <br /> &lt;!--Please choose the --&gt;<br /> &lt;!--Remove other categories, just keep the appropriate categories --&gt;<br /> <br /> [[Category:Raspberry pi]]<br /> [[Category:Knowledge]]</div>

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