How to Make Arduino Remote Control Light Switch - ETTRON
Amazon.com: 5pcs 12X12MM Big Key Module Big Button Module Light Touch Switch Module with hat High Level Output for arduino or Raspberry pi 3 : Electronics
Arduino Remote Light Switch - XYZ Creative Works
GitHub - MakeBluetooth/smart-light-switch: Example code showing how to build a smart light switch.
Internet-Controlled Light Switch - Hackster.io
Light or dark activated switch using Arduino · One Transistor
Remote light switch - relay and wall switch - Project Guidance - Arduino Forum