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Homemade Christmas jumper | Arduino and RGB LEDs

In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it ...
CNET

I Found Out Why Our LED Bulbs Burn Out So Early. No, You Don't Need a New Fixture

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...
Hackaday

The Intel 8087 And Conditional Microcode Tests

Continuing his reverse-engineering of the Intel 8087, [Ken Shirriff] covers the conditional tests that are implemented in the microcode of this floating point processing unit (FPU). This microcode ...
IEEE

LVDC sourced ultra-low-profile LED drivers using GaN power transistors

In general residential and non-residential spaces, such as houses, offices and shops, lighting equipment is powered from AC power. This requires an isolated AC-DC power converter in each lighting set, ...