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DMX 512 protocol analyzer for personal computer
Vahalík, Jiří ; Sysel, Petr (referee) ; Krajsa, Ondřej (advisor)
The bachelor thesis deals with the design of a DMX converter for a personal computer. The theoretical part summarizes the DMX, RDM and Art-Net protocols and other commonly used communication protocols used by microcontrollers. In the practical part, a device circuit is fabricated, which is subsequently processed as a printed circuit board. In the last part of the thesis, programs are designed to ensure the functionality of the whole converter.
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Design of low-cost control unit for DC/BLDC motors
Pospíchal, Tomáš ; Najman, Jan (referee) ; Rajchl, Matej (advisor)
This thesis deals with design and construction of motor driver, firmware for STM32H7 a software UI in Python. Motor driver has four total half bridges, from two H-bridge Smart Gate Drivers. Motor driver is designed for 100W DC/BLDC motors. Communication over USB 2.0 HS, using CANOpen protocol with IEC 61800-7 device profile. Motor driver could be used for lectures and demonstrates USB 2.0 HS capabilities of STM microcontroller.
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Monitoring the living environment in the house
Dlugoš, Daniel ; Ježek, Michal (referee) ; Staněk, Kamil (advisor)
This work, tries to create a small, rechargeable and portable device that senses temperature, humidity, barometric pressure, dust particles, carbon dioxide and VOC concentration. The air quality monitor can reliably measure the physical quantities encountered in every indoor environment, evaluate them and display them to the user. The sensors, data storage module and OLED display are housed on a custom-made PCB board.
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Electronic game Logic
Zemanová, Renata ; Šteffan, Pavel (referee) ; Háze, Jiří (advisor)
The goal of this bachelor thesis is to design and manufacture an Electronic game Logic. This electronic game should look like the board game and also respect the game’s rules. The electronic game is designed as one PCB that contains control electronics and play units. The functional PCB containing all electronics was manufactured. The game was programmed, and the final version was placed in a designed case. The Electronic game Logic also allows the player to set game mode options.
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Audio preamplifier with input selector
Starčok, Tomáš ; Adámek, Martin (referee) ; Šandera, Josef (advisor)
This thesis deal with the audio preamplifier with input selector. It describes all designed parts of this device. It selects and describes all suitable components. Describes the whole process of electronics design in this device. Then describes the design, manufacture, assembling and testing of the PCB. In conclusion it shows the achieved results and electrical parameters of the device.
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Inovation of measurement equipment used for analyzing of photovoltaick cells
Otépka, Jakub ; Bača, Petr (referee) ; Vaněk, Jiří (advisor)
This bachelor thesis deals with the design of a tachometer which is used to measure and display of mechanical aperture speed of a measuring equipment for the defect analysis of solar cells using the photoluminescence method. This work is divided into three parts. The first section describes the principle of solar cells, the principle of luminescence radiation and its types. Next the defects of solar cells are analyzed. The second part discusses the theory of tachometers, the principles and methods of loading pulses. The third part is then analyzed the design and construction of the selected type tachometer.
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Design and analysis of electronically reconfigurable filtering structures
Kříčka, Tomáš ; Dvořák, Jan (referee) ; Langhammer, Lukáš (advisor)
This bachelor thesis deals with the proposal of analog filters with the ability of the electronic reconfiguration. The main aim was to propose three fully electronically reconfigurable filters using different methods. The work focuses on the use of modern active elements that ensure the electronic reconfiguration. Specifically on operational transconductivity amplifiers, second-generation current conveyors and current amplifiers. The transfer functions are simulated in the Orcad PSpice software, at the ideal and behavioral level. Sensitivity and parasitic analysis is applied to the two proposed filtration structures. Both structures are made on printed circuit boards, which are measured and then their transfer functions are compared with the simulated functions.
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HF RFID tag emulator
Neužil, Ondřej ; Derbek, Vojtěch (referee) ; Vychodil, Josef (advisor)
This thesis contains the basic information about the Radio Frequency Identification (RFID) technology. It describes its main principles and usage. The main goal of this thesis is to design a RFID tag emulator for HF band according standard ISO 15693 that should emulate the long-range contactless smart card. The design includes the selection of the suitable components, such as a microprocessor - the core of the whole emulator, or calculation of the efficient integrated coil dimensions on a printed circuit and software for communication between the RFID reader card and the emulator.
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