I2C

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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 Flex Glove Controller Hookup Guide

Is your finger bent? Is your finger straight? The Qwiic Flex Glove controller board will answer this age old question for you with the flex sensor!

Pi Servo pHAT (v2) Hookup Guide

This hookup guide will get you started with connecting and using the Pi Servo pHAT on a Raspberry Pi.

Assembly Guide for SparkFun JetBot AI Kit V2.0

Assembly Guide for the SparkFun JetBot AI Kit v2.0. This tutorial includes photos & comments to assemble the two-layer chassis & additional components unique to the JetBot kit.

SparkFun Absolute Digital Barometer - LPS28DFW (Qwiic) Hookup Guide

Get started adding water-resistant pressure sensing using the SparkFun Absolute Digital Barometer - LPS28DFW (Qwiic) following this guide.

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