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:

SparkFun GPS Breakout (ZOE-M8Q and SAM-M8Q) Hookup Guide

The SparkFun ZOE-M8Q and SAM-M8Q are two similarly powerful GPS units but with different project applications. We'll compare both chips before getting each up and running.

Getting Started with the Artemis Development Kit

This guide covers the general design of the board, the installation of the recommended software used to program the Artemis DK, and some basic examples. For more advanced functionalities, we have separate software development guides for the AmbiqSDK, Arm® Mbed™ OS, and the Arduino IDE platforms that users can reference.

Digital Temperature Sensor Breakout - AS6212 (Qwiic) Hookup Guide

Get started measuring highly accurate temperatures at extremely low power with the AS6212 temperature sensor on the SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic).

IoT RedBoard ESP32 Development Board Hookup Guide

Delve into the functionality-rich world of the IoT RedBoard ESP32 Development Board!

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