Breathe Smarter:
Biometric Feedback System
Quickly conveying information about breathing rate and carbon dioxide through change of colour
A simple add on to any mask which makes the user conscious of their breathing by quickly conveying information about rate and carbon dioxide through change of lighting colour. Research has shown correct use of breathing patterns can enhance the conscious interaction of physiological processes in the body. The “breathe smarter” project shows that it is possible to create a low-cost product offering simple feedback to any user. For ease of use, the device clips on to any mask.
Testing was done on customised fitment options, which will need to be further integrated into the design.
The design process in this project follows an iterative approach. The components and software are first tested on an Arduino to demonstrate conceptual functionality before partial implementation in an early-stage prototype. By making use of the functionality of the latest PIC microcontroller multiple data streams are switched in quick succession. This allows for accurate readings and feedback but also for future developments in miniaturisation and connectivity with external devices.
After a brief ‘warm-up’ period the breathing rate is automatically recognised. Heavier breathing will produce warmer colours alerting the user of increased carbon dioxide levels, whilst calmer breathing will lead to cooler colours conveying lower levels. This can be beneficial for optimising athletic performance or simply to have a more mindful interaction with bodily stress responses. A sliding switch can be set for a respiratory base-rate according to user preference. Charging from a micro-USB port allows for easy recharging and the charging state is displayed through an additional light.