After receiving some recommendations for what I should do for my final year project from Assoc. Prof. Dr. Sabry, I began to do some research on how to create an air quality monitor using the development board Arduino.
I found one article that describes how to build this air monitoring device and have began to look into the prices of the various components and sensors that are required for this project. So far, the cheapest place to get these sensors are by ordering them from China through Aliexpress.
Below are the list of sensors required for this project and the function they serve in an air quality monitor :-
- PMS3005 PM 2.5 Sensor - Detects particulate matter in the air
- MH-Z19 - Detects concentration of CO2
- MP503 - Detects Volatile Organic Compounds (VOC)
- MQ131 - Detects Ozone
- DHT22 - Detects temperature and humidity
There are also other components that are needed for this project as well, such as the Nextion 2.8" Display, DS3231 Real Time Clock, Arduino Pro Mini or Arduino Nano, an SPST switch, an SPDT switch, some resistors, capacitors and two 2N3904 transistors.
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