Lamp Dimmers - Leading and Trailing Edge - YouTube
What Is a Phase Cut Dimmer? - It's Not So Simple
Project 157
What is Dimming? An Introduction to Dimming LEDs
Amazon.com: PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide : Tools