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QR codes have been used to establish "virtual stores", where a gallery of product information and QR codes is presented to the customer, e.g. on a train station wall. The customers scan the QR codes, and the products are delivered to their homes. This use started in South Korea, [40] and Argentina, [41] but is currently expanding globally. [42]
The default width and height are currently 120px. Images displayed by the <Gallery>...</Gallery> tag do not obey user viewing preferences. The packed mode will automatically adjust image sizes to use available display space optimally. Every line specifies an image file. The File: prefix is unnecessary.
The codes should be well lit. Shadow makes it more difficult to scan. Avoid reflected glare (particularly when laminating the codes or placing them behind glass). Larger codes will scan more effectively. 2 inches (5 cm) across will allow for distance and older smartphones with lower quality cameras. 1 inch (2.5 cm) should be the minimum.
This image was previously a featured picture, but community consensus determined that it no longer meets our featured-picture criteria. If you have a high-quality image that you believe meets the criteria, be sure to upload it, using the proper free-license tag , then add it to a relevant article and nominate it .
Visitors to Derby Museum using a mobile phone to scan a QRpedia QR code. When a user scans a QRpedia QR code on their mobile device, the device decodes the QR code into a Uniform Resource Locator (URL) using the domain name "languagecode.qrwp.org" and whose path (final part) is the title of a Wikipedia article, and sends a request for the article specified in the URL to the QRpedia web server.
Place this template on an article or user page to create a gallery of images on that page along with captions. Anyone may place this template. Template parameters [Edit template data] Parameter Description Type Status title title Title for the overall gallery Example Pictures of chickens String suggested align align Alignment of the gallery on the page; possible values include left, right, and ...
Find and select the file or image you'd like to attach. Click Open. The file or image will be attached below the body of the email. If you'd like to insert an image directly into the body of an email, check out the steps in the "Insert images into an email" section of this article.
Download QR code; Print/export ... Gallery tag – adding a gallery; Help:Viewing media ... Picture of the day is an image which is automatically updated each day ...
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