Barcode & QR Code Scanner
The scanner recognizes barcodes and QR codes and passes it to the lookup table. Similarly, you can make data substitution in the form field
Click Scan, allow access to the webcam and show the code to the camera - a message about capturing the image will appear and the code will be automatically inserted into the table for searching the database and displaying the result.
In order not to search for a QR or barcode, you can scan these examples of codes from a laptop monitor from your phone camera: