This is a non-invasive breath detector, lungs thermometer and other breath parameters logger
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First try:
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Current version of software added to GitHub: https://github.com/RoGeorge/Breath_datalogger
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I like the idea from this project too much to let it die.
Let's give it a spin this summer!
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An even bigger surprise was when I realized that the sensor is so sensitive that it can detect with no problems the breath temperature.
That was the moment when the applications start to arise:
- breath counter
- lungs thermometer (by monitoring the exhaled air temperature)
- breath logger
- breath parameters monitor, i.e. the ratio between exhale and inhale time
- athletes training/monitoring equipments
- breath exercise training (helping techniques for yoga breath, voice singers, etc.)
- instant skin temperature measurements and so on
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The surprise was when the device could easily detect a finger touch of the sensor. That was because the thermal inertia of the sensor is very small, and the finger instantly change the sensor's temperature. Nice.
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At the beginning, a very simple algorithm was implemented. The microcontroller read the sensor by I2C interface and changes the color of a LED when an increase/decrease in temperature is detected.
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This idea has born by a simple curiosity about an I2C sensor produced by Texas Instruments. The sensor is very sensitive, it has an incredible resolution of only 62.5 mili Celsius grades (*C).
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I will add one more ideea to the competition, then came back here and update this project
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Because the project is at it's very beginning, the detailed build instructions will follow soon, immediately after the idea and the software will begin to stabilize.
RoGeorge
Hey I did something similar. First name of project was: "Is grandpa alive ?" :)