Takao Akaki
Published © GPL3+

System to measure CO2 and encourage ventilation

A system that detects the opening and closing of doors and CO2 concentration to make the air in the room comfortable.

AdvancedFull instructions providedOver 1 day998
System to measure CO2 and encourage ventilation

Things used in this project

Hardware components

AWS IoT EduKit
Amazon Web Services AWS IoT EduKit
Switchbot Contact Sensor
SwitchBot Hub Mini
Echo Dot
Amazon Alexa Echo Dot
You can use any model of Echo.

Software apps and online services

Alexa Skills Kit
Amazon Alexa Alexa Skills Kit
Amazon Web Services AWS IoT
AWS Lambda
Amazon Web Services AWS Lambda
PlatformIO IDE
PlatformIO IDE
VS Code
Microsoft VS Code

Hand tools and fabrication machines

Breadboard, 170 Pin
Breadboard, 170 Pin
Seeed Studio Grove - 4 pin Male Jumper to Grove 4 pin Conversion Cable (5 PCs per Pack)


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Photo of the circuit

The connection is easy as there are only four wires.



Firmware source for M5Stack Core2 for AWS EduKit.


Takao Akaki

Takao Akaki

3 projects • 2 followers


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