Equipment that is plan to use for this Smart Home project are 
- Arduino Uno, Wifi Module ESP 8266 (ESP-01), Relay Module.
Main idea of this Smart Home are:
- To ON/OFF light, fan and door by using mobile apps.
- For mobile apps, plan to use mit 2 app inventor to create a mobile apps to control the equipments.
Hello,
I just ran into this video on YouTube that might answer your question or at least get you moving in the right direction.
https://youtu.be/WLFUwyyPrKo
From here I think you can build your project… Be careful of your power supply and I believe all you’ll need is a relay board and you should be good…
Best,
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