#Barcodes

[blatentmisinformation]

supermarkets worldwide are running out of barcodes since they are about 90% used up, so they are faking inflation so they can fund research for barcode2

There are approximately 234 million possible barcode combinations, 232 of which have been used for various applications. Barcode 2 is a project to exponentially increase the number of possibilities by adding horizontal lines.

[reality-detective]

Barcodes have a satanic connection 🤔

[electropneumatic]

I love barcodes, both 1D and 2D. I won't think about them for a little bit, but then I'll see one and be like. Ough. Beautiful. They are so cool. There is so much more thought put into them than most people realize I think.

Like look at that. That's so cool.

[ourladyofomega]

Shake 'dat ass!

[must-be-mythtaken]

personally I like Litton and Carecogan. we were robbed.

[go-accurateweighingscalesug-blog]

Commercial barcode printing scale for sale affordable prices Uganda

Looking for a Price Computing Weighing Scale for your business?  Take all the guessing out of pricing your meat, fruits and vegetables with the TCS Price Computing Scale, a general-purpose computing scale with an enlarged and heavy duty stainless steel platter for direct sale of commodities in stores such as supermarkets, delicatessens and groceries.

The Price Computing Scale has a lowered body which enables it to easily fit in any open market. It is designed for portable use with AC power and built in rechargeable battery, the certified scale is also ideal for farmers markets, sandwich shoppers, bakeries, etc

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Address: Wandegeya KCCA Market South Wing, 2nd Floor Room SSF 036

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[foxiapp]

Trump targets ballot barcodes, long a source of misinformation

ATLANTA (AP) — President Donald Trump’s executive order seeking to overhaul how U.S. elections are run includes a somewhat obscure reference to the way votes are counted. Voting equipment, it says, should not use ballots that include “a barcode or quick-response code.” Those few technical words could have a big impact. Voting machines that give all voters a ballot with one of those codes are used…

[mujahid123]

Our Planet is Covered with Barcodes: The Intricate Web of Identification and Data Tracking

[reversebias]

Barcodes and Signal Recovery

▌▌▖▌▖▘▌▖▖▖▌▖▘▖▖▖▌▘▘▖▖▖▌▖▖▖▘▖▖▌▖▖▘▌▌▌

Last week I ran across an interesting project that caught my attention called dollcode by a GitHub user by the name of v01dlabs.

Of it's own, it's an exceptionally straightforward project: encode numbers and strings using a ternary code based on some simple Unicode characters ▌▖▘. I've long had a fascination with the way barcodes are read and the signal processing that goes with it, so I dug in to the working logistics.

Unfortunately, as I fiddled with it and tried to understand how one might decode it, it became increasingly clear that there were some limitations to the coding being used. For example, the encoding for "x" is "▌▌▌▌‍" and the encoding for the number 120 is also "▌▌▌▌". Similarly, the encoding p is "▘▘▘▘‍", which, if you don't know how tall the barcode is, looks exactly the same as the encoding for "(" which is "▖▖▖▖‍".

So given the seed and some knowledge about signal recovery, I decided to set out to make my own variation of the dollcode signaling method.

In my design, which I ended up calling signalbar, I added several features to constrain the coding, and improve its recovery with flexible optical media (printed paper) as the primary consideration.

Rather than encode data directly, a 4-to-3 encoding would be used; 4 bits of information using 3 trits.

The minimum unit of transfer would be a nibble. This is convenient in the 4-to-3 encoding, but also means that sending data smaller than 4 bits would require the cooperation of a higher level protocol.

Each symbol would actually come from one of three symbol tables based on the last bit of the previous symbol. This would allow for error detection and make use of the unused codes.

Two ▌ trits in a row would never appear outside of control symbols. This would make detecting control signals very easy.

Framing symbols would be added that could be used to detect the beginning and end of transmission. These symbols would be the same in all three encoding tables to simplify implementation. The start symbol would begin with a ▌▌ and the stop symbol would end with ▌▌, ensuring that the edges of the frame would always be max height and even if read backwards would immediately trigger the ▌▌ control sequence detection.

Symbols would be chosen such that no arrangement of the symbols could possibly create an infinitely long run, and symbols would be chosen in a way to minimize the maximum run length. This would aid in both clock recovery and detecting the code height on paper that wasn't flat since you could guarantee that you would see symbols of different sizes in a known and short window.

There are several things I think might be useful, such as frame length encoding and check codes, but those logistics are being left to higher level protocols. This implementation is mostly about the encoder/decoder hardware; so anything beyond what that is beyond the scope of this project for now.

With that said, the signalbar repo itself ended up being a powerful opportunity to do some work with GitHub Actions (I had been using Gitlab CI/CD up till now, and Jenkins before that) so that was interesting, and with some more time, I may add some explicit tests to verify the function of the module. But even without tests, it was a great way to bring pylint and mypy to bear, and made refining the code very nice.

However, this was largely just an amusement since I hadn't done a lot of personal programming over the last few years thanks to work. I don't know if I'll go far enough with this project to truly finish it up. dollcode, and now signalbar, are interesting, but I wouldn't particularly regard either as especially useful; just a neat way of exercising the ol' braincells. Nevertheless, I recommend you go check it out; there are some useful ways to think about signaling that are trapped up in the specific implementation that this toy example should make fairly clear (such as how 8b10b encoding solves the self-clocking issue.)

With that said, I have stuff in the pipeline that is more useful, but that writeup will have to wait for a different day.

[juliabush2450]

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[lonelylovegoodd]

I'm 21 and I still do it. I feel so embarrassed but it's the only coping mechanism I've ever known.

[ultra-phthalo]

Front Cover Comic Barcodes

Link to Reddit post:

I can't comment on this post cus it's archived but... Bruh it is infuriating. And I can be as infuriated as I want fool. Even the person posting can be as infuriated as they want. I hope to never be emotionally monotone and as accepting of this situation as some of these dudes. I think the barcode was 100% moved to the the front of comics to make way for advertising. Generally, I thought opposing unneeded changes that directly damage the artistic vision of the cover artists in the name of better advertising was an approved way of thinking. Barcodes were at the back of comic books a year ago. And now they are not. I think I'd like to question why.

In fact here's a poll of people who want barcodes to be at the front vs. those who preferred when it was printed on the back. [Wink wink, I'm more likely to see your ad if it's right next to some important barcode that states the value of the comic book your ad is on. Wink wink wink wink wink.]

[ptneventsinfo-com]

The oil and gas industry is increasingly propelled by digital transformation, driving unprecedented changes in how companies manage, optimize, and sustain operations. One of the most transformative tools in this shift is the digital twin. More than just a virtual replica, a digital twin is a fully integrated simulation of real-world assets and processes that provides real-time insights and predictive capabilities across the entire operational lifecycle. With this technology, companies are enhancing the precision, efficiency, and sustainability of oil and gas operations like never before.

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Once production begins, maintaining an efficient, steady output is crucial. Digital twins play an instrumental role in optimizing production, allowing operators to see a live, virtual version of each asset—from wells to pumps, pipelines, and refineries. Through real-time feedback, companies can constantly monitor performance, model changes, and implement adjustments without disrupting the physical operation.

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Digital twins are enabling oil and gas companies to move from reactive to predictive maintenance. Through a continuous flow of data from asset sensors, these virtual models can detect minor anomalies that indicate potential equipment wear and degradation before any failure occurs. This allows maintenance teams to target specific issues proactively, reducing the likelihood of expensive, time-consuming shutdowns.

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Supporting Remote Operations with Collaborative Digital Twins

In a digitally connected world, remote operations have become more feasible and efficient. Digital twins support remote asset management by providing field and control room operators with the same detailed, real-time view of assets, regardless of their location. This means that teams spread across multiple regions can collaborate effectively, making coordinated decisions based on a single, unified view of each asset’s performance and needs.

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Enabling Data-Driven Decision-Making Across Operations

Digital twins are ultimately about data—more specifically, about transforming complex data into actionable insights. By integrating data from across the asset lifecycle, digital twins provide a centralized, reliable source of truth for decision-making. This empowers everyone from field technicians to executive leadership to make informed decisions that optimize asset performance, extend lifespans, and enhance profitability.

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Moving Toward Fully Autonomous Digital Ecosystems

As digital twin technology evolves, the oil and gas industry is on the brink of fully autonomous digital ecosystems. Integrating AI, machine learning, and IoT with digital twins promises to unlock new levels of automation, enabling assets to make self-corrective adjustments in real-time. For example, pipelines could automatically adjust flow rates in response to changes in demand, while wells could adapt extraction rates based on reservoir pressure without human intervention.

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Digital twins are at the forefront of transforming oil and gas operations, offering a precise, data-driven approach to everything from exploration and production to supply chain management. By enabling real-time monitoring, predictive maintenance, and autonomous adjustments, digital twins are helping oil and gas companies achieve unprecedented levels of efficiency, safety, and sustainability.

For a deeper dive into the latest digital twin advancements and their role in shaping the oil and gas industry, join us at the Oil & Gas Automation and Digitalization Conference 2025. This event will feature industry leaders, insightful discussions, and hands-on sessions on the cutting-edge technologies transforming the field. Don’t miss this opportunity to learn how digital twins are setting new standards and helping the industry meet the challenges of tomorrow.

[coffeestrology]

My dad used to be able to read barcodes for the price on items. You know how magical that is for a kid? How much is this toy? *passes to dad* 39.99$. Brilliant

[go-accurateweighingscalesug-blog]

30kg fruit candy retail store counter scale in Kampala

Looking for a Price Computing Weighing Scale for your business?  Take all the guessing out of pricing your meat, fruits and vegetables with the TCS Price Computing Scale, a general-purpose computing scale with an enlarged and heavy duty stainless steel platter for direct sale of commodities in stores such as supermarkets, delicatessens and groceries.

Thank you for allowing Accurate Weighing Scales (U) Ltd the privilege to serve you in advance.

For inquiries on deliveries contact us

Office +256 (0) 705 577 823, +256 (0) 775 259 917

Address: Wandegeya KCCA Market South Wing, 2nd Floor Room SSF 036

Email:  weighingscales@countrywinggroup.com

[polluted-puddle]

super not ok rn

everyone is mad