[INFR11239 (UG)/INFR11150 (PG)]

School of Informatics, University of Edinburgh

Please contact Professor DK Arvind ([email protected]) with any questions you may have.

Last updated: 18 September, 2023

Coursework Objective

The first coursework for the PDIoT course involves practical hands-on experience with IoT wearable devices. In this assignment, you will use the RESpeck device, a wearable sensor, to collect data while engaging in various physical activities and run code to pre-process the data collected to clean it. This assignment aims to familiarize you with sensor data collection, analysis, and the potential applications of IoT in real-world scenarios.

Task Description

1. Wearable Devices and Mobile App

In Coursework 1, each group will be provided with the following:

• A wearable RESpeck device: The RESpeck is a wearable device consisting of a tri-axial accelerometer and gyroscope, which allow it to record linear accelerations and angular velocities in three dimensions (x,y,z). The collected data is wirelessly transmitted to an Android App through Bluetooth Low Energy (BLE) technology, which operates at a sampling rate of 25 Hz. The device maintains continuous activity, automatically transmitting data to the connected mobile device.
• Respeck accessories: plastic bags, which you will put the RESpeck device inside, and MeFix tape, which you can use to attach the RESpeck device to your body.
• A Nordic Cube (Thingy): a compact multi-sensor prototyping platform based around the NRF52 SoC. Similar to the RESpeck device, it is capable of recording linear accelerations in three dimensions.

In this coursework, you will need to pair the sensors to a mobile application to receive incoming data. Instructions to set this up can be found in the document for Lab 1. You will need a smartphone running Android 6.0 or higher to run the apps needed for the course. If no one from your team owns an Android phone, we can provide you with one upon a special request.

2. Data Collection

The first coursework assignment is to collect motion data for a defined set of activities. Each student will wear the Respeck monitor, worn as a plaster on the chest, and the Thingy placed snugly inside a right-hand pocket of their clothing. Detailed information on this step can also be found in the document for Lab 1.

2.1. Sensor placement