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PH controller for aquarium
Dvořák, Jan ; Fedra, Zbyněk (referee) ; Šebesta, Jiří (advisor)
This bachelor’s thesis deals with the system which is designed as a pH regulator for aquarium water. The first and second chapter are aims to the basic requirements and possibilities on controlling of the potential of hydrogen in water. Main methods of the pH measuring, its controlling and regulation are included. The third chapter presents a design of the pH regulator system. The practical and software solution of this project is presented in the fourth and fifth chapter. There are described in detail the main blocks of the pH regulator - amplifier, galvanic isolator and output power stage. The results of the testing and measuring of the designed subsystems are introduced in the last part of the work.
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Microcontroller based aquarium control system
Gothard, Adolf ; Štohl, Radek (referee) ; Bradáč, Zdeněk (advisor)
This bachelor‘s thesis deals with design of automatic aquarium control system, equipped with microcontroller AT89C51ED2 and simple user interface. After opening introduction to systems, usually used for aquarium automation, there is described design of such device. First, it is selection of components and concept of their electrical connections. Next part is devoted to realisation and found problems and their removing. The last part is devoted to design and creation of program equipment of the control system. This part shows basic principles of control program and structure of it’s main parts. Low-level functions for communication with peripheral devices are also described.
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The system for regulation of the environmental conditions in the aquariums
Janda, Josef ; Jaroš, David (referee) ; Macháň, Ladislav (advisor)
This thesis project describes the design and construction of an automated system for maintaining live conditions in aquarium. The main purpose of the system is to automate certain procedures and to ensure control of important environmental parameters of artificial breeding of aquarium animals and plants. The device regulates lighting, temperature, CO2 concentration and other parameters. The LCD with touch screen is used to system control and to display measured values.
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