Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...

Fraud investigators say at least 10% of QR codes attached to online orders, restaurant tabletops and public posters are scams, as Chinese state-sponsored hackers increasingly target financial ...

We’re living in an era where attention is fragmented, choices are abundant, and digital consumers expect instant access to ...

The ESP32 is connected to a 64×64 LED matrix which is updated every second with a code for the current time. With single-second resolution that means that even with a method for reading a QR code ...

But immediately the government should introduce newer strategies to prevent duplication of the code by creating a safe and enduring solution which can be done far more economically than the current QR ...

With the Metrc QR code, we’re able to put a lot of that information that is data-driven directly onto the package that was previously difficult to share,” he said. However, current regulations ...