Temperature Monitoring Device Using Arduino and Python Live Data Plotting | Arduino Project with Source Code and Wiring Diagram

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In this article, you will learn how to use a Temperature Monitoring System Using Arduino and Python Live Data Plotting. Creating this project will let you do serial communication from Arduino to Python. This is very useful if you are gathering data live or constantly monitoring temperatures.

Temperature Monitoring System Using Arduino and Python Live Data Plotting: Creating the Device
Here are the steps in interfacing the sound module in Arduino.

Gathering the Components
The first thing to do is to collect the hardware components for the Arduino device.
Arduino Uno
DHT22 Digital Humidity and Temperature Module

Connecting the Components
Connect the components to the Arduino Uno. Please refer to the wiring diagram below.

Coding the Arduino
The third step is about coding the Arduino device.

Upload the Sketch
After coding the Arduino, upload the sketch.

Coding with Python
Next is to create a project in Python and write codes that will read the serial monitor of the Arduino, save it in a CSV file, and plot it on a graph.

Temperature Monitoring System Using Arduino and Python Live Data Plotting: Detailed Explanation
Qty Component
1 Arduino UNO
1 DHT22 Humidity and Temperature Module

Temperature Monitoring System Using Arduino and Python Live Data Plotting
For the code, you just need to allow the sensor to read every second and display it on the serial monitor. No texts or labels – just the value. Upload this to the Arduino board.

Python Code
Now that our device is ready, you can now create live data plotting. The first is to install pyserial and matplotlib. Pyserial is the package that lets you communicate with the Arduino while the matplotlib creates the data plotting.

To do this, open PyCharm 2021 and go to View - Tool Windows, Python Packages.

And that’s it! You have successfully created a Temperature Monitoring System Using Arduino and Python Live Data Plotting! All you need to do is code the sensor and assemble it. Then, create a project in Python and install Pyserial and Matplotlib packages, check the code above, and run the program! This project is versatile and can be combined with other projects.

Feel free to write your questions about the Temperature Monitoring System Using Arduino and Python Live Data Plotting in the comments below.
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