Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

This repository contains an ESPHome configuration for an ESP32-S3-based with 8x8 Onboard 8×8 RGB LED Matrix. The configuration uses the WS2812B LED chipset and supports various addressable light ...

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 development, most of the APIs are not ...

Last month, a video shared on Instagram showing a quick-response (QR) code embedded on a tombstone at a cemetery in Kerala went viral. Upon scanning the code, a website pops up, directing to a page ...

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 ...

Thermal printing is a non-impact printing method that uses heat to produce images or text on specially coated heat-sensitive paper, known as thermal paper. It prints by passing the thermal paper over ...

Abstract: The Rosenbloom-Tsfasman metric (RT-metric for short) is a generalization of the Hamming metric. Matrix codes in the frame of the RT-metric have been used in information transmission over ...