3V 5V Low Control High Voltage 12V 24V 36V Switch Mosfet Module for Arduino Connect IO MCU PWM Control Motor Speed 22A: Amazon.com: Industrial & Scientific
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Timer switch with Relay and LCD Arduino code
Turn Any Appliance into a Smart Device with an Arduino Controlled Power Outlet
Esp8266 5v Wifi Relay Module Ds18b20 Dht11 Rgb Led Controller Things Smart Home Remote Control Switch Esp-01s For Arduino Stm - Integrated Circuits - AliExpress
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W1209 Digital Thermostat Temperature Control Switch Sensor Module For Arduino Sensor Waterproof Temperature Controller 10a Relay - Integrated Circuits - AliExpress