A PIC controls a triac connected across the supply by monitoring power line zero-crossing. The PIC controls dimming by delaying the time the triac fires, which trims the peaks off of the AC waveform.

Lutron has gone for function over fashion for the most part with this dimmer: The white and gray buttons are front and center, not hidden by touch-sensitive controls, as is the case with other ...

Two leading contenders in this market are Leviton's Decora Smart Wi-Fi ELV/LED Phase-Selectable Dimmer (D2ELV) and Lutron's ...

Sure, I knew they were dimmer and yellower than when I installed them, but had no idea it was this bad. These bulbs were advertised with a 30,000 hour lifetime. I estimate the total use at 15,000 ...

Climate researcher James Hansen estimates that "global dimming" is cooling our planet by more than a degree Celsius (1.8°F) and fears that as we cut back on pollution, global warming may escalate ...

The researchers compared pictures before, during and after the dimming, and did some modelling to see what kind of behaviour might give rise to the views obtained. Two ideas were dominant.

Like most films that we at DOX Productions make for NOVA, "Dimming the Sun" is a coproduction between a U.K. broadcaster and WGBH, Boston. So we are well used to creating two slightly different ...

Description: control applications such as heating, lighting, and motor speed controls.Typical applications are AC solid-state switches, industrial power tools, exercise equipment, white goods and ...

Description: The TRIAC may be gate triggered from a blocking to conduction state for either polarity of applied voltage and is designed for AC switching and phase control applications such as speed ...

LG and Samsung are often at the forefront of TV display technologies. When it comes to the higher-end market, LG is backing its QNED format, while Samsung is peddling Neo QLED. Both boast improved ...

Tennessee overcame another sluggish offensive start to defeat rival Alabama in the Third Saturday in October showdown, 24-17, inside Neyland Stadium. SEC title game and College Football Playoff ...