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:

ESP32 LoRa 1-CH Gateway, LoRaWAN, and the Things Network

Using the ESP32 LoRa 1-CH Gateway as a gateway and device, and pushing data to The Things Network.

Keyboard Shortcut, Qwiic Keypad

A simple project using the Qwiic Keypad and the RedBoard Turbo to create your own custom hotkey-pad.

Hookup Guide for the SparkFun RedBoard Artemis Nano

Get started with the powerful RedBoard Artemis Nano

SparkFun Top pHAT Hookup Guide

The pHAT to sit above your other HATs. Does that make it the "king" of the pHATs? This guide will help you get started using the Top pHAT with the Raspberry Pi.

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