Leon Anavi
Published © MIT

Do It Yourself Breathalyzer with MQ-3 & LEGO Bricks

Fun hobby project for building entirely open source breathalyzer with MQ-3, Arduino sketch for ANAVI Gas Detector and a lot of LEGO bricks.

BeginnerFull instructions provided1 hour416
Do It Yourself Breathalyzer with MQ-3 & LEGO Bricks

Things used in this project

Hardware components

Gravity: Analog Alcohol Sensor (MQ3) For Arduino
DFRobot Gravity: Analog Alcohol Sensor (MQ3) For Arduino
×1
ANAVI Gas Detector
×1
ESP8266 ESP-12E
Espressif ESP8266 ESP-12E
Integrated in ANAVI Gas Detector
×1
0.96" OLED 64x128 Display Module
ElectroPeak 0.96" OLED 64x128 Display Module
×1
LEGO® Medium Creative Brick Box
×1

Story

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Schematics

ANAVI Gas Detector

Schematics

Code

Arduino sketch

Simple Arduino sketch for ANAVI Gas Detector with MQ-3 sensor module

Credits

Leon Anavi

Leon Anavi

5 projects • 6 followers
Software engineer and open source enthusiast

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