Integración de raspberry pi en la plataforma domótica home assistant utilizando dispositivos iot esp a través del firmware tasmota.

Abstract

Currently home automation or smart home is involved in most daily processes that went from being performed mechanically, to automated processes where intelligent devices are interconnected with each other through the internet in search of comfort and usability for the end user, from which arises the concept of internet of things from long ago until today, due to the ease with which an electrical device can access a connection via the internet. While this offers a number of possibilities, it presents dissatisfaction by not having a standard capable of integrating different devices within the same ecosystem, for which open source home automation platforms arise seeking to meet the needs of integrating devices from different manufacturers within the same system as a server, which offers a number of possibilities through the integration of add-ons to systems that are developed every day by a DIY community, helping to improve the monitoring and control of the home automation system. The current work for the degree proposes the development and implementation of a home automation system for the management and security control of IoT devices in a residence through Tasmota firmware. We used a low cost and small size mini computer such as Raspberry pi 4b in which the home automation system was implemented using the Home Assistant software due to the great ease that gives us the control and monitoring for IoT devices of the residence which should provide a nice interface, comfort and proper usability for the user. Intelligent devices were used such as a switch which is the sonoff basic that has the ESP8266 chip, a camera such as the ESP32 cam. For which the change of the firmware that the devices bring by default according to their supplier, by the Tasmota firmware for which the devices must be physically manipulated to make connections through Dupont cables that were connected through a ttl converter that helps communication between computer and microcontroller, with which the devices will leave their suppliers for the connection and the implemented home automation system will be used. For the communication process we used a broker that uses the MQTT protocol as is the case of mosquitto broker distributing the information through a publication/subscription model, this is one of the main means for communication more used to be in vogue thanks to great benefits such as lightness, lower power consumption, lower bandwidth requirement.