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GitHub - TelematicaUSM/RaspberryPi_LightSwitch: This project is meant to be the first step in home automation. To replicate this project you will need a raspberry pi, a 3v relay module, and a 3
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Smart WiFi Switch Relay for in Wall Light Switch, 3 Way Switches, Fans, Bulbs, Outlets etc. WiFi Enable APP Remote Control Compatible with Alexa Google Home IFTTT DIY Smart Home Automation Module :
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