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
Running 2 triac 4-channel from one Arduino - Project Guidance - Arduino Forum
MOSFET Trailing Edge AC LED Light Dimmer - Precise Dimming Control for Incandescent and DIMMABLE LED Bulbs - Compatible with Arduino, Raspberry Pi, ...