Your Arduino Uno board is connected to an USB/Uart emulator, allowing your computer to discuss with it through USB.
Our first goal will be to write some code able to communicate through this port.
You can use
cu with command line, or PuTTy to open the
port and communicate.
You will be provided a chip named ADXL345. for practical reasons, it is already soldered on a board (we call this breakout) named GY-291:
Have a look at the chip specification What communication bus is used?
Try answering following questions:
Choose proper pins and plug the module to your Arduino Uno.
Implement proper bus in your code. With the help of microcontroller's and module's documentation, implement communication to retrieve the sampled values.
Display those values through UART bus
From those information, compute the pitch and the roll currently experienced by the sensor.