MPR121 Hookup Guide
This Tutorial is Retired!
This tutorial covers concepts or technologies that are no longer current. It's still here for you to read and enjoy, but may not be as useful as our newest tutorials.
Contributors:
Toni_K
Toni_K 
Resources and Going Further
Now that you've figured out how to use the various versions of the MPR121 IC, what kind of cool projects can you come up with? If you have any questions still, check out the additional resources below, or feel free to leave a comment on the tutorial.
Resources
- Example Code
- MPR121 Datasheet
- MPR121 Breakout Board
- MPR121 Touch Shield
- MPR121 Touch Pad
Other I2C Projects and Products
All of these tutorials have I2C communication. They can also both be used in conjunction with this sensor to act as a display for the button triggers or to monitor the temperature as well.