Qwiic Differential I2C Bus Extender (PCA9615) Hookup Guide
Contributors:
Joel_E_B,
Alex the Giant
Resources and Going Further
Now that you've successfully got your differential I2C breakout up and running, it's time to incorporate it into your own project!
For more on the differential I²C breakout, check out the links below:
- Schematic (PDF)
- Eagle Files (ZIP)
- PCA9615 Datasheet (PDF)
- Qwiic Landing Page
- GitHub Repo
- SFE Product Showcase: Differential I2C Breakout
For more information related to I²C over long distances, check out the resources below:
- An Introduction to I²C Over Long Wires
- An Introduction to Differential I²C
- Differential I²C Application Note - AN10710 (PDF)
- One mile long I²C communication (PDF)
Need some inspiration for your next project? Check out some of these related tutorials:
Qwiic Keypad Hookup Guide
If you are tired of taking up GPIO pins, wiring a bunch of pull up resistors, and using firmware that scans the keys taking up valuable processing time... check out the new Qwiic Keypad.
SparkFun Qwiic Shield for Thing Plus Hookup Guide
A short guide for assembling and using the SparkFun Qwiic Shield for Thing Plus.
Qwiic SHIM Kit for Raspberry Pi Hookup Guide
Get started with the Serial LCD with RGB backlight and 9DoF IMU (ICM-20948) via I2C using the Qwiic system and Python on a Raspberry Pi! Take sensor readings and display them in the serial terminal or SerLCD.
Pro Micro RP2040 Hookup Guide
This tutorial covers the basic functionality of the Pro Micro RP2040 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!