This is a project that I’ve been thinking for a while, and its kind of expensive but can be really useful in cold days. It is a multimedia jacket to basically control your smartphone through Bluetooth and Arduino.

This coat would have headphones, a microphone, an accelerometer, a gyroscope,  and a LCD that would be used to pass some basic information to the user. In addition to those features you could use discrete solar panels on the shoulders to recharge the batteries of your Arduino and even  track some basic accidents measuring pressure in key regions of your jacket.

The challenges that people might face in this project would be:
– Solar panels are expensive.
– How to determine that the user is in danger.
– How to efficiently use the solar panels to recharge the batteries.