A quick response (QR) code is a type of barcode that can be read by a digital device to provide a greater amount of information than would normally be feasible.

ESP32-S3-Matrix: This configuration is designed for the ESP32-S3-Matrix Development Board, Based on ESP32-S3, Onboard 8×8 RGB LED Matrix. ESPHome: Version 2024.6.0 or later.

Arduino core for the BouffaloLab chips Now start to support BL616/8 chips, other chips to be developed later. The first version can be compiled and run, but the repository is still in the process of ...

The matrix, decoded: How QR codes are transforming payments in India QR code, the little pixelated square, has changed how India pays or accesses information. Its applications are only limited by ...

On China’s Qiantang River, witnesses recently observed an extraordinary “matrix tide,” where colliding tidal bores formed a grid of waves unlike anything previously explained. Now, researchers using ...

Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

Constructions of linear matrix codes are presented and their parameters for the RT-metric are investigated. It is shown that every linear matrix code can be expressed by using the trace function, ...