python qr code generator and reader

Published: 21 January 2024
on channel: CodeMaze

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QR (Quick Response) codes have become a popular method for encoding information in a two-dimensional barcode. In this tutorial, we will explore how to generate and read QR codes using Python. We will use two popular libraries: qrcode for generating QR codes and opencv for reading QR codes.
Open your terminal or command prompt and run the following command to install the qrcode library:
Now, create a Python script (e.g., generate_qr_code.py) and use the following code to generate a QR code:
This script creates a QR code containing the text "Hello, QR Code!" and saves it as my_qr_code.png.
Install the opencv-python library using the following command:
Create a new Python script (e.g., read_qr_code.py) and use the following code to read a QR code:
This script reads the QR code from the image created in Part 1 and prints the decoded information.
You have now learned how to generate and read QR codes using Python. Feel free to explore additional features of the qrcode and opencv libraries for more customization and functionality.
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