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Raspberry I2C Setup: Difference between revisions
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→I2C buses control
m (Adding I2C checking section) |
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| Line 162: | Line 162: | ||
In the example above, 3 devices were discovered.<br /> | In the example above, 3 devices were discovered.<br /> | ||
There are two devices in the range 0x20 (0x20 and 0x21) and one device in the range 0x70 (0x70) | There are two devices in the range 0x20 (0x20 and 0x21) and one device in the range 0x70 (0x70) | ||
If you have message as like : | |||
<syntaxhighlight lang="shell-session"> | |||
fgint@raspberrypi:~ $ i2cdetect -y 1 | |||
Error: Could not open file `/dev/i2c-1' or `/dev/i2c/1': No such file or directory | |||
fgint@raspberrypi:~ $ | |||
</syntaxhighlight> | |||
'''This probably mean, that you didn't activate I2C support on your raspberry.''' | |||