Prepare a Raspberry Pi for GPIO access

Prepare a Raspberry Pi for GPIO access

By in Development, Raspberry Pi Tag ,

Assuming you install the Raspberry Pi version of Debian on your Raspberry Pi, it installs a configuration tool called raspi-config. You run it by issuing the following command: –

sudo raspi-config

The following screen is then displayed: –

image-65-1024x513 Prepare a Raspberry Pi for GPIO access

To enable access to the GPIO pins, option number 3 is selected, and then the following screen is displayed: –

image-66-1024x512 Prepare a Raspberry Pi for GPIO access

You can then select the options you need for your specific use case. Typically, I enable the following: –

  • 1-Wire – this is used for many devices but is typically used for temperature sensors of various types
  • I2C – used for more complex devices, including TFT screens
  • SPI – used to communicate with sensors, SD cards, and other serial communications devices

After making changes to these settings, reboot the Raspberry Pi.

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Stephen

Hi, my name is Stephen Finchett. I have been a software engineer for over 30 years and worked on complex, business critical, multi-user systems for all of my career. For the last 15 years, I have been concentrating on web based solutions using the Microsoft Stack including ASP.Net, C#, TypeScript, SQL Server and running everything at scale within Kubernetes.