Sparki has an expansion port. It is used to add additional modules or your own electronics, whatever you want!
![Top - Expansion Port](https://arcbotics.com/wp-content/uploads/2015/12/Top-Expansion-Port.jpg)
How It Works
There are expansions for the three major protocols used for microcontrollers – UART serial, SPI and I2C. We also offer extra digital pins and extra analog read pins. Here is a diagram of which pins correspond to which Arduino pins:![Expansion Port Diagram](https://arcbotics.com/wp-content/uploads/2015/12/Expansion-Port-Diagram.jpg)
Using the Part
We currently offer a :- Bluetooth Module (included with Sparki)