DIY Breathalyzer with MQ-3, OLED Display, LEGO Bricks and an Arduino Sketch
Entirely open source hobby fun project for building an alcohol detector (breathalyzer) with MQ-3 gas sensor, mini I2C OLED display, an Arduino sketch for ANAVI Gas Detector and a lot of LEGO bricks from LEGO Medium Creative Brick Box 10696. The video feature writing source code in Arduino IDE, building a case with LEGO brings and testing during a bar crawl in the Kapana creative district in Plovdiv, Bulgaria. Of course there were some epic failures and a lot of fun.
More details about ANAVI Gas Detector are available at:
https://www.crowdsupply.com/anavi-tec...
Flashing custom software to ANAVI Gas Detector through Arduino IDE:
https://www.crowdsupply.com/anavi-tec...
Simple Arduino sketch for MQ-3 and ANAVI Gas Detector (powered by ESP8266):
https://github.com/AnaviTechnology/an...
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