Projeto de automação residencial conectado aos serviços do Google e relé latch com suporte a interruptor

Abstract

Through the advancement of technology, people are more and more accustomed to dealing with technological resources naturally, making the technologies employed indispensable extensions of their own assets, and with that they have demanded a higher technological level of the home itself. In order to contribute to the theme, this work consists of the development of latch relays (step relays), with switch support, and of a centralized system, its central with the following characteristics: being able to activate latch relays, having an interface local web; connect to Google services for home automation, such as Google Assistant and Google Home. The proposed project uses a Raspberry Pi Zero W and an MCP23017 port expander with 12C connection in its automation center and employs the PIC10F202 in the proposed latch relay. At the end of this project it was possible to get a user to say "Ok Google, turn off all the lights" on your smartphone and have as a result a communication between different systems culminating in the switching off of the lamps in your home, in a quick and practical way.