Questions tagged [QR codes] (39)

Task to create a QR code and a picture to send to telegram. There is such code, it is working, but with a caveat import pyqrcode qr_obj = pyqrcode.create('QR TEXT') buffer = BytesIO() qr_obj.png(buffer) bot.send_photo(chat_id=some_chat_id, photo=buffer.getvalue()) The caveat is that the QR code goes very small in the tele...

Tried best - Scandit, but it's commercial and the price tag is such that the "not taken". What can you recommend to mobile app Scandit is not worse? I took a shit-smartphone on Android, the demo app Scandit camera recognize QR barcodes. The first available theme frameworks free that tried - does not read the same codes.

Hello! Created a QR code of type vCard. All phones normally read, but if read with the help of Xiaomi, it is name shows question marks, ie, somehow, the wrong character set. Who knows what may be causing this problem?

Texts implemented only a picture here as do not know??Pleeease reply import qrcode from qrcode.image.pure import PymagingImage img = qrcode.make('Some data here', image_factory=PymagingImage)

Good day! Search engines do not help me. Looking for work station for tellers in the Catholic Church (where you pay for utilities) At the moment, use from the contour of the arm "Cashier" who knows what the 2000s year it was written. In search engines a lot of apps only for retail, which does not suit us. The main goal is...

There is a code that scans a QR code: import cv2 import numpy as np import pyzbar.pyzbar as pyzbar cap = cv2.VideoCapture(0) while True: _, frame = cap.read() decodedObjects = pyzbar.decode(frame) for obj in decodedObjects: print("Data", obj.data) cv2.imshow("Frame", frame) key = cv2.waitKey(1) if key == 27: b...

It is necessary to allocate the QR code using photoshop. With the application of colors and shadows in the settings of the layer style.

Hello! Tell me, please, how you can create dynamic QR codes for payment through SBP (fast payment)? Are there any ready library (Node.js, PHP)? Interested in the opportunity to generate QR codes automatically according to the specified details, not manually.

Did resetting the camera, he withdrew completely from the application. QR code don't remember the camera is there. The app require you to register the camera, then connect the Wi-Fi network. Using smartlink fails to connect, throws an error. How to connect? In this network works the same camera.

I would like to find a library for scanning QR codes, obtaining key information for recognition and cash receipts. Where can I find materials about the content of the QR code the cash register receipt.