Espruino JavaScript
QR Code #2761
Replies: 6 comments
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Posted at 2018-10-18 by @allObjects You are pushing the envelope... the pixels are so small that the smallest 'visual impurity' - such as a scratch or a small lint - in the line of sight between display and reading optics and a not perfect view angle - creating reflections / blurs - stresses error correction. Last but not least contrast is an issue as well. |
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Posted at 2018-10-18 by Georg The wikipedia says it's got lots of error correction pixels :-P Resampled to 57x57 pixels: It works fine on the screen of my Mac, in a 128*64 rectangle that has 5.4cm diagonally: Can someone try this please, please? :-) |
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Posted at 2018-10-19 by @gfwilliams I'm not near a Pixl at the moment, but anyone who wants to try this can use http://www.espruino.com/Image+Converter Even if that doesn't work, a smaller QR code containing less data (<=32 pixels so you can double it up) would be fine I'm sure. |
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Posted at 2018-10-24 by @gfwilliams Just tested - works great! Just ensure that when you import the image, black pixels really are black. The image converter above defaults to using white as a |
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Posted at 2018-10-24 by @yerpj Just tested as well. It seems to work like a charm.Attachments: |
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Posted at 2018-10-24 by Georg Sweet :-) Thanks! |
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Posted at 2018-10-18 by Georg
Hello!
I would like to check if a qr code like this:
https://upload.wikimedia.org/wikipedia/commons/3/38/Qr-code-ver-10.png
on the screen of the pixl can be read without a problem, but I don't have any pixl yet...
Can someone try this please?
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