YouTuber Designs Cooling System for 1.5 kW LED, Creates Small Artificial Sun

If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.
GitHub

Computational Methods for Economists using Python, by Richard W. Evans

This repository contains the source material, code, and data for the book, Computational Methods for Economists using Python, by Richard W. Evans (2023). This book is freely available online as an ...
Circuit Digest

How to Send Email Notifications using ESP32-CAM

This section defines the network credentials and server details required for sending the email. The ESP32-CAM connects to WiFi using the SSID and password. The host address, HTTPS port (443), and API ...
The New York Times

Big 12 tournament basketball games to be played on LED floor, designs can change in real time

The court is described as meeting the “standards of modern hardwood courts,” just with “integrated LED technology beneath the playing surface.” Photo courtesy Big 12 / ASB GlassFloor Big 12 ...
IEEE

Noncarrier Injection Mode for Realizing One Line-to-Three LEDs Driving Method

Abstract: Optimizing the driving panel of display to decrease the number of driving lines is of importance to high-resolution displays. Especially, it is important to address the challenge of the ...
IEEE

A Novel LED Driver With Enhanced Efficiency Using a Buck–Boost Converter and DC–DC Buck Converter

Abstract: In single-phase ac/dc light-emitting diode (LED) drivers, a reduced power processing technique is currently being used to increase conversion efficiency while reducing the size and cost of ...
CNN

I’ve had the viral Shark CryoGlow LED Mask for over a year. Here’s why it’s the only one I’ll ever use

LED masks seem to be the “it” skin care device of the moment. In general, they’ve been shown to stimulate skin’s collagen and elastin production using specific wavelengths of light, which correlate to ...