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.

One such IoT devotee is [Sasa Karanovic], who writes in to tell us about his very impressive custom IoT LED dimmer based on the ESP8266. Rather than rely on a commercial lighting controller ...

TCL launches its new QM7K Precise Dimming Series with Advanced Halo Control System and Audio by Bang & Olufsen.

The QM7K pairs its QD-Mini LED backlight with a high-contrast HVA Panel, boosting dark-state performance for up to five times ...

March 10, 2025 /PRNewswire/ -- TCL®, one of the world's best-selling and leading technology companies, today announced the next Precise Dimming ... Control System. Delivering a complete 2025 ...

TCL has launched the QM7K Precise Dimming Series, the second generation of its Mini LED lineup, following the award-winning QM751G. The new series integrates TCL’s Halo Control System for improved ...