16
Jan
2015

Enable SPI and/or I2C on Raspberry Pi

So you want to enable SPI and/or I2C on the Raspberry Pi, if you want to work with other electronics through the GPIO.

To enable these services, you need to edit the following file:

sudo nano /etc/modprobe.d/raspi-blacklist.conf

Comment out either/both of the lines as shown below to enable which services you want:

Screenshot - 160115 - 03:03:18

Use ctrl-O to save the file, and then reboot!

screenshot

As you can see, there is now activity on the I2C and SPI pins on the Pi!

 

 

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Performance of a three-disk software RAID-5 array

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