Questions tagged [QR codes] (39)

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The idea of QR code is done in Python when sending a Telegram. How to fix?

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...
adrienne.Kulas22 asked April 19th 20 at 11:57
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Best free mobile framework for recognizing Bar-, QR - codes?

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.
Mandy asked April 18th 20 at 12:42
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Why Xiaomi incorrectly reads a vCard with QR-code?

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?
hans33 asked April 8th 20 at 09:17
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How to implement this I have data and I want it to turn into a qr code as possible out of the picture to make a qr code?

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)
isai_Schaefer asked April 8th 20 at 09:16
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How to choose arm "Cashier" for the RCC?

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...
murray.Hettinger asked April 4th 20 at 14:17
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Why I WARN when working with the camera in OpenCV Python?

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...
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You need to do to citigym QR code using photoshop?

It is necessary to allocate the QR code using photoshop. With the application of colors and shadows in the settings of the layer style.
Jeffery.Koelp asked April 4th 20 at 12:49
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How to create a dynamic QR code to pay URS?

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.
Maria asked April 3rd 20 at 18:48
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Urgent. Camcorder Digoo MQ1 to recover the QR code. Can't log in. What can I do?

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.
Neha_Langosh asked April 2nd 20 at 15:40
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What JS libraries can be used to recognize the QR code cash receipt?

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.
Jalen asked March 31st 20 at 20:03