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In this IoT project, I have shown how to make an IoT-based Smart Home with Arduino IoT Cloud & Alexa. Using NodeMCU ESP8266 to control 4 home appliances with voice commands. If the internet is not available, then you can control the home appliances manually with switches. All resources used for this project are FREE. The Arduino Cloud Smart Home System Is Ready! I hope you have liked this Arduino IoT and Alexa home automation project. I will really appreciate it if you have any valuable feedback in the comments section.