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MIDI to DMX signal converter for synchronizing stage lighting with live music
Hajdúch, Patrik ; Záviška, Pavel (referee) ; Sikora, Marek (advisor)
This bachelor thesis focuses on designing a device for converting MIDI signals to DMX signals. The converter runs on the ATmega328P microprocessor with the Arduino bootloader and is capable of converting Note On, Note Off, and Control Change messages into changes in the DMX output signal. For the conversion, a map consisting of three profiles is used, which is editable using a desktop app and saved on an external EEPROM. This allows the converter to be used universally with many different DMX systems. The device is housed in an enclosure with dimensions that allow it to be stored within a single rack unit. The converter allows for fully automatic control of stage lighting and other stage equipment in synchronization with music and creating complex scenes using the widely used MIDI protocol.
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Voltage converter with microcontroller
Jedlinský, Lukáš ; Patočka, Miroslav (referee) ; Huták, Petr (advisor)
In these baccalaureate work is buckthorn power supply mobile computer from automobile nets. Main thought is using suspense raising equable changers with high working frequency. To regulation and operating sources will used microprocessor series AT Tiny. Will also be effected project programmatic equipment and his implementation to the integrated perimeter and project PCB and by herself realization hereof perimeter.
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Desing of supplementary coding switching unit
Štefl, Martin ; Štohl, Radek (referee) ; Fiedler, Petr (advisor)
The diploma thesis is dealing with the area of controlling and safety technology for the railway transportation. The problems of the design and practical realization of an functional sample of switching unit supplying the ends of a track circuit are solved here. The switching unit enables the operation of the train control system. The outline of the design is formed by a power switch operated with a microprocessor. In addition, for the increase in safety the switching unit contains a control processor, which is controlling the right function of a work microprocessor and the failure-free state of a power switch.
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Mikroprocesor controlled equalizing repeater.
Požár, Marek ; Fedra, Zbyněk (referee) ; Kovář, Jan (advisor)
The correction amplifier is included in many audio applications. Its use is mainly in the regulation of volume, height, depth, balance settings, channels, and extended versions as well as more band equalizer. There are the simpler versions such as home movies, personal computers, car. However, there are even more demanding applications, where the correction amplifier extended to listening to different bands. Already mentioned band equalizer, which is now part of almost every recording studio. Applies even when the sound of concerts. This project deals with its links with the microprocessor and then control the PC via USB. Utility sends the PC via USB management factors in the microprocessor data, which is further processed and under control of the data correction circuit amplifiers using the IIC bus.
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TeachRobot control design and realization
Dohnal, Jakub ; Matyáš, Pavel (referee) ; Marada, Tomáš (advisor)
This thesis deals with the management model of industrial manipulator using a microcontroller. The first part deals with the theoretical basis. The second part deals with the description of the model TeachRobot. The third part describes the design and implementation of the control electronics. The last part consists of a description of software microcontroller.
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Electronic Ignition Unit for Combustion Engine
Čmelík, Matouš ; Knobloch, Jan (referee) ; Červinka, Dalibor (advisor)
Thesis deals with electronic ignition for a two-cylinder two-stroke engines. In the thesis is described the existing ignition system. In the thesis are described measurement options of the position ot the engine crankshaft. The ignition system is designed mainly for motor JAWA, CZ and motor Trabant. The design is focused on reliability of entire circuit. The main advantage of the entire proposed design is possibility to adjustable ignition curve, depending on several external parameters such as speed or temperature of the engine. The proposed ignition has been tested in vehicle Velorex.
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Group of Walking Minirobots - Movement Synchronisation
Mihál, Jakub ; Florián, Tomáš (referee) ; Žalud, Luděk (advisor)
The aim of the work presented here is to get acquainted with the construction of the Robonova-I humanoid robot and with Ing. Florián’s dissertation “Control unit for humanoid robot”. Both the construction and the dissertation conclusions were tested, compared and, in the next part of the work, evaluated. Finally, a new software solution to the robot control and wireless communication was worked out.
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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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Self-Testing of Microcontrollers
Denk, Filip ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
This Master's thesis deals with functional safety of electronic systems. Specifically, it focuses on self-testing of the microprocessor and its peripherals at the software level. The main aim of the thesis is to design and implement a set of functions written in programming language C or assembly language, which automatically test the selected areas of the microcontroller. Resources and methods used in the implemented solution also aim to meet the requirements according to the safety standard IEC 60730-1, Annex H, Software Class B. The microcontroller NXP LPC55S69 was chosen as a hardware platform. It consists of two ARM Cortex-M33 cores. As a result, the example application is provided, which uses implemented test functions at the run-time. Example application also contains a graphical user interface with fault injection ability.
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Tunable ARC frequency filter
Kufa, Martin ; Murina, Milan (referee) ; Sedláček, Jiří (advisor)
This bachelor thesis deals with ARC frequency tunable filters. The introductory chapter generally focuses on the basic terms of the frequency filters, such as the mathematical expression of the transfer function, types of selective filters, tolerant field, etc. The next section describes the actual higher-order ARC filters and cascade sequencing, especially ARC band reject and possibilities of its implementation. Following is a concrete realization of the ARC filter to band reject with suggestions for tuning the frequency components in the frequency range 10 kHz to 100 kHz and retuning quality factor. Finally, this work contains the printed circuit board (PCB) design of the ARC frequency analog and digital filter section for tuning F0 frequency and quality factor Q setting using digital potentiometers. Furthermore, it also outlines the flowchart of the program for digital control.
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