Uses the DHT22 and MQ-135 sensors to read and output humidity, temperature and air quality.
To install, have the Arduino IDE (https://www.arduino.cc/en/Main/Software).
Download/copy+paste the code from Better_Indoors.ino
In your IDE, go to tools > manage libaries and install the DHT libary from Adafruit
Collect_data.py can be used to store data inside a .txt file.
Upload to the Arduino, and have fun!