SONOFF Dual Tutorial: Control Your Electrical Appliances Remotely using MQTT and Ubidots

In this guide you will learn how to control a couple of 110V appliances over Wi-Fi for $9, using Itead’s SONOFF Dual.
Compared with consumer-grade WiFi smart plugs in the market, the SONOFF is a great alternative for making smart home and even industrial IoT projects at a larger scale. Moreover, it is based on the popular ESP8266 Wi-Fi chip, making it compatible with the Arduino environment and other resources like our ESP libraries at Ubidots.

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