I2C

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Resources and Going Further

I2C is a relatively complex interface, and there are many resources out there to help you deal with it. Below are some of the more informative ones.

To use I2C over long distances, check out the dedicated PCA9615 differential I2C bus extender.

Qwiic Differential I2C Bus Extender (PCA9615) Hookup Guide

May 31, 2018

Learn how to extend the range of your I2C communication bus with the Qwiic differential I2C bus extender (PCA9615 ) breakout board.

Or check out our SPI and I2C tutorial with a Raspberry Pi.

Raspberry Pi SPI and I2C Tutorial

October 29, 2015

Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.

Need some inspiration for your next project? Check out some of these related tutorials:

Qwiic 12-Bit ADC Hookup Guide

Need to add more analog inputs for your project? Check out the Qwiic 12-bit ADC.

MicroMod RP2040 Processor Board Hookup Guide

This tutorial covers the basic functionality of the MicroMod RP2040 Processor Board and highlights the features of the dual-core ARM Cortex-M0+ processors development board. Get started with the first microcontroller from the Raspberry Pi Foundation!

MicroMod Asset Tracker Carrier Board Hookup Guide

Get started with the SparkFun MicroMod Asset Tracker Carrier Board following this Hookup Guide. The Asset Tracker uses the u-blox SARA-R510M8S LTE-M / NB-IoT module to provide a host of data communication options.

Artemis Global Tracker Hookup Guide

The SparkFun Artemis Global Tracker combines the Artemis processor with an Iridium 9603N satellite transceiver, ZOE-M8Q GNSS transceiver, and MS8607 PHT sensor. With a clear view of the sky, this board allows you to send and receive short data messages from anywhere in the world including remote locations far beyond the reach of WiFi and GSM networks. Follow this guide to get started with the Artemis Global Tracker.

Looking for more inspiration? Check out some of these blog posts for ideas: