Sparki has an expansion port. It is used to add additional modules or your own electronics, whatever you want!
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:Using the Part
We currently offer a :- Bluetooth Module (included with Sparki)