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Wireless weather station
Filka, Tomáš ; Novotný, Radovan (referee) ; Levek, Vladimír (advisor)
This diploma thesis deals with a draft of wireless weather station, whose task is to measure basic values inside and outside the home. Measured variables are for example temperature, atmospheric pressure, relative humidity, wind speed and direction or concentration of carbon dioxide (CO2). These data will be transmitted to a web server for later processing. Possible technical solutions are described and the outcome is a designed printed circuit boards, which has been assembled and tested. Resulting system was tested in trial operation.
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Home Automation
Rástočný, Martin ; Levek, Vladimír (referee) ; Šteffan, Pavel (advisor)
This thesis analysis a theoretical basis of the home automatization. The thesis contains the overview of commercial realizations of an intelligent house. The thesis also contains design of device, which could distinguish low and high tariff. Design of device is focused on wireless control of aquarium. In the following chapters a overview of components, design of circuits, practical realization and test of whole system.
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Measurement System for Etched Track Detector
Galbavý, Juraj ; Levek, Vladimír (referee) ; Novotný, Radovan (advisor)
The aim of this thesis is to design an algorithm for an automatic track counting of an image of etched track detector made of CR-39 polymer. Tracks are produced by alpha particles. Chemically etched detector is imaged using a microscope resulting in 64 images of segments on the surface of the detector. Circle shaped tracks in the images have to be detected and counted. This thesis evaluates the utilization of circle hough transform for circle detection. The final software should automate a detector track counting and should also account for defects in the image and contamination of detector surface. The software will produce a measurement report with a total track count in each segment.
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Stage lighting control
Pilmajer, Pavel ; Čožík, Ondřej (referee) ; Levek, Vladimír (advisor)
Thesis is focuses on the field of lighting technology for cultural purposes. The work describes the current methods of stage lighting control used in the practice. Next part describes the design of new system of stage lighting control, which compensates for deficiencies of management through computer program. System design and realization is based and optimised for on the management through computer program Freestyler 512.
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Logic analyzer for teaching
Dobrocký, Marcel ; Macháň, Ladislav (referee) ; Levek, Vladimír (advisor)
This bachelor’s thesis deals with a design of USB logic analyzer that will be used for teaching purposes in laboratory environment. The main purpose of the logic analyzer will be analysis of serial communication protocols most frequently used in embedded systems - UART, SPI and I2C. The analyzer can be also used as a debugging tool while designing all sorts of digital systems. In the first part of this thesis, the theoretical background of above mentioned communication protocols is explained. The next chapter deals with the process of signal analysis with the designed analyzer. It also contains a detailed description of the hardware module design. The last part deals with designing the microcontroller firmware and PC software, while explaining different applications of the analyzer in teaching.
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Realization of the control device for a temperature chamber
Obšil, Martin ; Levek, Vladimír (referee) ; Čožík, Ondřej (advisor)
The bachelor‘s thesis deals with the realization of the temperature chambre control. In first part there are definitions of different types of the power regulation. In the second part of this work are approached an infrared ceramic heaters and a heat transfer by radiation. The third section is about realization this device. There are explanations of realization of each part. The whole circuit is controlled by a microprocessor which also controls the power section with triac which regulates power on the infrared ceramic heater. The next part deals with a design of the printed circuit boards. In the fifth section is desctription of the software and in conclusion there are demonstrated results of the work.
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The battery charger module for GSM security system
Predný, Patrik ; Levek, Vladimír (referee) ; Čožík, Ondřej (advisor)
This bachelor thesis focuses on the design of universal module of charger for lithium battery that is constructed for the GSM device from ELEDUS company, placed in inaccessible, or difficult to access terrain. The solar energy will be used for battery charging and ensuring the GSM module power supply. The module dimensions are as small as possible for maintaining the compactness and the design focuses on the maximum resource utilization.
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