Thingiverse

Portable breathalyzer

by osc2

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Encloser for a DIY portable breathalyzer.
Features of the device:
- measures the actual ethanol concentration level
- shows the level of actual gas concentration in 8 channel LED display

Instructables: https://www.instructables.com/id/DIY-Portable-Breathalyzer
How to use video: https://youtu.be/my1vd5xno_o
Enclosure: https://www.thingiverse.com/thing:2830439
Arduino and Fritzing source code: https://github.com/rundhall/DIY-Portable-breathalyzer