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Week 3 Updates

Two main advancements were made in this week's work, which were:

  • Developing a Bill of Materials (BOM) and placing orders for the needed parts
  • Beginning the development of the Pip-Boy smartphone app (Android)
Further refinements, minor but plentiful, were added to the mental blueprint of the idea that will be taken into account when developing the wrist device and the smartphone application.

BOM Developments

By searching through online stores and available resources, a Bill of Materials was made, including prices as well as the purpose of each part and an online link to them. All the parts have been ordered, with some still on the way.


PARTSPRICE ($)PURPOSE
Arduino Nano7.98Single-board computer; heart of the device
Heartbeat sensor21To give BPM and IBI readings
Temperature Sensor11.49To give body temperature readings
Display (small)9.99Display; prioritizes sizeFunctionality
Display (touch)15.86Display; enables touch screen interactionOptional Functionality
Velcro Strap7.6Strap; allows for easy modificationsAesthetic
Rubber Wrist-strap12.99Looks tight
Battery14.8To power the device
Charger9.51To charge the battery and device
Breadboard + wires12.99For prototyping/connections
TOTAL:124.21

Android App Developments

Using Android Studio and the very many sample codes and tutorials Google's Android Team provides, some fundamental progress was made in terms of developing this app. For example, code that can exchange data with Arduino processors through Bluetooth was written, and some UI features were built with regard to making a complete and interactive experience whilst using the app. There is ample progress left to be made, specifically with regard to testing and interpreting its data exchange with the Arduino processor on the Pip-Boy.

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