Ac Light Dimmer Module, 2 Channel, 3.3v/5v Logic, Ac 50/60hz, 220v/110v - El Products - AliExpress
Simplest AC Dimmer Explained | AC Dimmer using Arduino and Triac | LCSC - YouTube
Amazon.com: Genuine RobotDYN - PWM Ac Programmable Light Dimmer 110V - 220V AC Module Controller Board for Arduino, STM, ARM, AVR, Raspberry Compatible 50/60hz with HeatSink 3.3V/5V Logic from 110V Ac to
Remote Control Ac Dimmer Arduino | Zero Cross Detector Circuit