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Smart Home: Digital Thermostatic Valve Controlled via WiFi
Smejkal, Jan ; Kapinus, Michal (referee) ; Materna, Zdeněk (advisor)
This bachelor thesis deals with smart home heating in households with radiators. The goal is to design a cheap digital heating head and to integrate it via WiFi and MQTT into the Home Assistant system. I have focused on keeping good design, head functions and a good user experience. Home Assistant enables showing graphs using InfluxDB and Grafana. Using a program in tool Node-RED enables it to lower heating temperature at the times of user absence and to schedule heating temperatures. The price of the complete unit is under 400 CZK. Temperature regulation was provided by a prediction controller, but it was replaced by a PID controller. The controller can regulate with the difference of maximal and minimal temperature of around 2 C. The user can control the boost mode of the head via a physical button or using the Home Assistant system. The resulting product is a good basis for a low-cost smart heating system.
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Industrial field buses and communication
Košťál, Radovan ; Kroupa, Jiří (referee) ; Bražina, Jakub (advisor)
This bachelor’s thesis deals with the issue of industrial fieldbuses and communication. The theoretical part describes the current state of implementation of industrial fieldbuses and the characteristics of individual communication protocols. Options for cybersecurity are also mentioned. The second, practical part, describes the establishment of communication between a simulated PLC in the TwinCAT 3 program and Node-RED environment using the MQTT protocol and Mosquitto broker.
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Nástroj pro editaci a běh řídicích panelů pro IoT aplikace
Ryška, Andrej ; Peringer, Petr (referee) ; Janoušek, Vladimír (advisor)
This bachelor thesis analyses existing open source solutions for IoT devices with a focus on the presentation, processing and manipulation of data through the user interface of a web application. The goal of this thesis is to implement a custom solution based on the analysis, preferring simplicity, ease of configuration and user friendliness. The implemented application is to be compatible with Node-RED, Domoticz and Home Assistant via an MQTT broker, from which the application will draw data and manipulate the states of individual IoT devices
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Automatical plant growing
Stupka, Tomáš ; Dřínovský, Jiří (referee) ; Götthans, Jakub (advisor)
The aim of the thesis is to design and an automated hydroponic station, which will be intended for the cultivation of herbs and vegetables for the purpose of user. The station will be controlled by a Raspberry Pi minicomputer, to which a number of sensors will be connected, which will check pH, EC, ambient temperature and other quantities. Furthermore, an external sensor with an ATMEGA328P control processor will be designed to check the ambient lighting parameters. A web interface will be created for the station, which will allow the user to follow the development of individual measured quantities over time.
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Trully Smart Smart Socket
Valušek, Ondřej ; Zemčík, Pavel (referee) ; Materna, Zdeněk (advisor)
There is a large selection of so called smart sockets available on the market today. The possibilities of these sockets are sadly very limited. Typically, they can measure power consumption, be turned off and on remotely by mobile application and timer. This thesis deals with this problem by showing how a smart relay can be used to create a truly smart smart socket that can classify currently connected appliances using just short time window for up to three devices combined. The power consumption is measured using Shelly 1PM together for three plugs. Using time series feature extraction, unknown device detection with SVM and neural network classification, the accuracy was over 99%. on a dataset containing combinations of smart TV, lamp and a laptop consumption. Information about currently connected devices is displayed on a webpage and written to a database to be viewed later. The information about connecting and disconnecting a device can be further sent to a system for smart home management.
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Smart Home Implementation by Means of Eclipse IoT
Heřman, Kristián ; Rozman, Jaroslav (referee) ; Janoušek, Vladimír (advisor)
The aim of this work is to design Smart Home control application by means of Eclipse IoT, its assembly and comparison with the standard control application. Reference application is realized by a combination of Node-Red and Home Assistant applications. However, the reference application will overcome the proposed solution both in practical usability and user-friendliness.
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