Speed controller for Ceiling Fan 220V AC 100W - Motors, Mechanics, Power and CNC - Arduino Forum
How to use relay with arduino - Turn on and off 220V AC lamp - YouTube
Serial 3 Channel SSR AC Dimmer for Arduino and Raspberry PI - Etsy
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
Arduino project interfacing with 220V DC inputs and ouputs - Project Guidance - Arduino Forum
Overriding 220V switch with arduino - General Electronics - Arduino Forum