I2C

Pages
Contributors: SFUptownMaker

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 Magnetometer (MLX90393) Hookup Guide

Figure out how magnetic fields are oriented, all without having to solder a thing.

Hookup Guide for the Qwiic Motor Driver

Drive things "qwiic"-ly with the SparkFun Qwiic Motor Driver!

IoT RedBoard ESP32 Development Board Hookup Guide

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

How to Add Audio to Your Embedded Project Using SparkFun's Qwiic Twist and Audio Player Breakout

Looking to bring sound into your next embedded project? In this tutorial, we'll walk you through using the SparkFun Audio Player Breakout in combination with the Qwiic Twist to let you select and play tracks from a microSD card.

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