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Experimental electroacoustic musical instrument
Hrdlička, Matěj ; Dlouhý, Dan (referee) ; Indrák, Michal (advisor)
This bachelor thesis deals with the design and construction of an experimental electroacoustic musical instrument inspired by analogue synthesizers from Dubreq -- stylophones. In contrast to the original stylophones, this Stylophone processes the audio signal in digital form. Stylophone contains two independent sound generators, which are two Arduino NANO development boards. In the theoretical part of the thesis, the historical development of the models of the original stylophones is described and the circuitry and sound generation method of the original Stylophone from 1968 is described. The practical part describes the circuit design, PCB, Arduino code and device construction. Also described are the different sounds generated by the instrument, their frequency analysis and a comparison of the sound character of the instrument with the sound analysis of the original Stylophone S1 from Dubreq. The last chapter of the thesis deals with the description of the techniques of playing the Stylophone and their notation.
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The focus control unit for the optical microscope
Flek, Petr ; Řezníček, Michal (referee) ; Adámek, Martin (advisor)
The aim of bachelor thesis was to focus on the issue of creating photos with great depth of field, which are developed on an electronically controlled optical microscope with photographic equipment. Arduino module with a series ATMega (Atmel Corporation) microcontroller, that was selected for management control device has been described in detail in the next section. Work includes the design and implementation of the control unit, which automates the process of capturing digital images from the microscope. The control unit contains a module Arduino with ATmega328 processor, which controls the stepper motor connected to focus of the JENAVERT microscope (Carl Zeiss). Device communicates with the user by buttons and LCD display.
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Experimental workplace for research of car speed limiters
Kubát, Michal ; Možný, Radek (referee) ; Pokorný, Jiří (advisor)
The bachelor’s thesis deals with the issue of remote vehicle speed limitation. The aim of this work is to develop an experimental workplace where the speed limitation using connection to CAN bus will be tested. In the theoretical part, a research on existing solutions of speed limiters is conducted and their protocols and technologies are described. The theoretical part also includes a research and description of possible threats and attacks on technology ITS-G5. The practical part deals with the development of the experimental workplace that consists of an OBD-II simulator and a transmitter. The OBD-II simulator includes Arduino UNO and add-on modules, its communication is realised via CAN bus. Transmitter includes Arduino NANO. Then, a wireless communication between a transmitter and an OBD-II simulator on 433 MHz and the wireless speed adjustments are developed. Finally, the IVIM message is designed and implemented for car speed limitation. Its structure was selected according to ISO standards for communication in ITS-G5 technology. The implementation of this message was tested on an OBD-II simulator. On the whole, a complete experimental workplace was assembled, and its manual was created.
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Control and monitoring of climate in groups of terrariums
Pavlišin, Tomáš ; Petyovský, Petr (referee) ; Macho, Tomáš (advisor)
The aim of this master thesis is to propose a system for monitoring and regulation the climate in groups of terrariums using Raspberry Pi platform and with subsequent well-arranged representation through the web server. Each group of terrariums has its own measure and regulation device Arduino NANO that wirelessly communicates with central computer Raspberry Pi. The measured values are stored in the MySQL database in central computer. These values are then graphically displayed on the web page. Limit values for regulation and regulation times can also be set through web page.
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Guarding and Securing of Objects and Areas Based on Arduino/Sigfox
Sadílek, Tomáš ; Strnadel, Josef (referee) ; Šimek, Václav (advisor)
The aim of this bachelor thesis is to design and build a~guarding system using Internet of Things communication protocol. The system is based on the Arduino Nano developement board, the Sigfox communication module, and security sensors. The measured data are sent to the server, processed, evaluated and stored in MySQL database. When the alarm is triggered, the user is notified. The information is accessible to users on the web server.
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Design and realization of photodetector using Arduino platform
Vrána, Milan ; Háze, Jiří (referee) ; Veverka, David (advisor)
Arduino, Arduino Nano, Processing, photodetector, optical gate, communication, UART, I2C, interrupt, timer, application, temp measurement, humidity measurement, electroscope, 3D print
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Design of suitable HW and SW components for remote data transmission
Pietrowicz, Daniel ; Marada, Tomáš (referee) ; Němec, Zdeněk (advisor)
This thesis is focused on the design of remote data transmission equipment, without access to mains power. The device will measure the voltage of the gas pipeline and send this information to the operator for processing. Analysis of today's technologies for long-distance transmission and based on the selected technology, the device will be designed. According to selected components, its power supply will be designed with the aim of long-term functionality and continuous operation.
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Security of EDGE sensors
Jančík, David ; Lieskovan, Tomáš (referee) ; Ilgner, Petr (advisor)
This bachelor thesis deals with the security of EDGE sensors on the Raspberry Pi platform, which is used to store sensitive data on disk. In this thesis, the test device is Raspberry Pi 4. First, it examines and implements an SD card security module from Swissbit, Swissbit PS-45u, and Zymkey 4i from Zymbit. With the knowledge of Zymkey i4 and Swissbit to design and implement its own physical security module. Authentication is handled using smart cards that support the NFC communication. The components powered on the prototype board are an Arduino Nano, an accelerometer and a gyroscope, two connecting wires, two LEDs and an NFC interface.
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Home weather station based on Raspberry Pi
Špringer, Radek ; Červenka, Vladimír (referee) ; Krajsa, Ondřej (advisor)
The aim of this bachelor thesis is to design and build a home weather station using the platform \raspi{}. The weather station is divided into computing and sensor part. The sensor part of the weather station is implemented through a wireless module, which measures the temperature, pressure, brightness and moisture. The measured values are sent to the weather station computer, where they are processed by \raspi{}. The processed values are then stored in a MySQL database on an external web server. On the web server, the user is shown the actually measured values, graphical waveforms of meteorological data with the option to display the course during the selected day of a year.
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Control and monitoring of climate in groups of terrariums
Pavlišin, Tomáš ; Petyovský, Petr (referee) ; Macho, Tomáš (advisor)
The aim of this master thesis is to propose a system for monitoring and regulating the climate in groups of terrariums using the Raspberry Pi platform and subsequent transparent display through the web server. Each group of terrariums has its own control device that wirelessly communicates with the Raspberry Pi control computer. The measured values are stored in the MySQL database on the control computer. The measured values are graphically displayed on the web page.
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