Propeller Health

BLE Sensor

Design Challenge

Asthma and COPD are the 5th and 6th most costly medical conditions in the US, estimated at $50 billion annually. Propeller Health’s mission is to reduce these costs by providing tools for improved self-management of asthma and COPD symptoms. This approach allows patients to better understand their triggers while aiding doctors in better identifying high-risk patients before a crisis.


Propeller Health wanted to develop a connected system of products and digital tools that would track a patient's medicine use for them. The solution was a blue-tooth sensor (universal to existing inhaler architectures) that would record medicine use and communicate it to a proprietary mobile app that would also track the time and locations of use.


The BLE Sensor was developed through a true integration of design and engineering. The sensor’s touch-points, materials and electrical reliability were all crucial to making the overall system a success. Numerous prototypes were created by Propeller Health and i3 to meticulously validate each design and engineering detail to ensure the proper user experience and quality.

  • Product Design
  • Mechanical Engineering
  • Prototyping