How does one use an Arduino timer to control alternating current (AC) appliances like fans, mixers, etc.? - Quora
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How to control AC 220V fan speed with arduino's PWM output..?? - General Electronics - Arduino Forum
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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
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