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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
41

Nabíječka NiCd, NiMH a Li-ion akumulátorů napájená a řízená pomocí USB / NiCd, NiMH and Li-ion accumulator charger supplied and controlled via USB

Nosek, Petr January 2010 (has links)
Deals with analysis and battery charging NiCd, NiMH, Li-Ion through a series of microcontroller from Atmel AVR controlled and powered from a PC via USB. Part is devoted to the characteristics of the USB interface and software capabilities to the enumeration AVR microcontroller. It also contains the basic characteristics of charged batteries, including the known methods of charging. The second half of the tehesis then provides a complete design and implementation of battery chargers, which consists of electronic parts, ATMEGA168 microcontroller program and the program for the PC. Presents circuit diagram of the charger and flowcharts of the main features of the program. The result of this thesis is functional battery charger above types. Attachments include a proposal DPS, a full circuit diagram and the charge and discharge characteristics of cells. The thesis is also referred to annex to the optical disk. Here it is mainly programs for microcontroller and PC. They are listed here as well as individual projects for AVR Studio, Borland Builder C + + and Eagle, which was created by chargers.
42

Systém řízení slunečních kolektorů / Systme for solar system control

Cseri, Peter January 2011 (has links)
In the first part of my thesis, I was studying materials about using solar energy. Then I write search about all components that are necessary to be used in solar systems. After that I designed the structure of solar system used for heating the hot water for a family house about 4 persons. For this system I designed a regulator and one layer circuit board using Eagle layout editor 4.12r2, which I assembled and tested. This followed creating and debugging program for microprocessor that controls the whole device. This functional regulator for solar collectors connected in a box together with the necessary electronic components is my final product of this project.
43

Monitorování rušení v síťovém napájení / Monitoring interference in the mains supply

Jirčík, Zdeněk January 2014 (has links)
This semester thesis describes design of electronic device adapted to monitoring of mains supply. Theoretical parts describes mains supply analysis, communication and management of files to memory. Next part is design electronics blocks and their cooperation. There are description of mains analyzer prototype and it’s parts and functions. Prototype was submitted to test measurement.
44

Ovládání přístroje A2000 přes webové rozhraní / Control of the A2000 device via WEB

Łabudek, Daniel January 2014 (has links)
The work is solving the design and implementation of application for presentation measured data and control of A2000 device trought web interface. For connecting to internet is used a module LanReach by company Connectone. Measured values are displayed on the website or send via e-mail messages and saved on FTP server.
45

Bezdrátové měřicí zařízení pro soutěže v požárním sportu / Wireless Timer for Fire Sport Competitions

Holinka, Milan January 2012 (has links)
This thesis describes the design, development and realization of a wireless electronic timer for use in firesport. Specification of the final product is built with regard to versatility, ease of use and low acquisition costs. Commercial products have been compared as inspiration for this work. Requirements of the timer are based on the rules of firesport disciplines, where the timer can be used. It consists of a base station that can be accompanied for additional elements used to starting, splits capturing and stopping. An independent communication module has been created to ensure wireless connection. Libraries for comfort work with the module, support for USB bus and reliable protocol for wireless transmission have been implemented.
46

Soubor měřicích úloh se stavebnicí RC Didactica / A file of measuring tasks using RC Didactica building kit

KOPECKÝ, Jan January 2015 (has links)
In my dissertation I look into different possibilities of an electrotechnical construction set RC Didactic. The thesis is primarily focused on demonstration of posibilities of the construction set on created tasks. During the processing of these tasks both hardware and software equipment of the construction set are used. Another topic which this thesis is dealing with are issues of application of existing tasks which are provided along with the construction set, than its parameters and projections of the construction set for aplication during classes and also didactical aspects of the construction set.
47

Výuková sestava pro práci s mikrokontroléry AVR Atmel / Educastion kit for working with microcontrolers AVR Atmel

KUBEŠ, Miroslav January 2012 (has links)
This thesis deals with design and production of teaching kits with Atmel AVR microcontroller. This kit includes a processor board and modules, which will connect to the board. It describes the equipment needed for software design and programming of microcontroller and technological processes to create a kit. Also, it will find the basic theoretical knowledge to work with the ATmega8535 microcontroller. Kit along with a disc on which are recorded all the diagrams, pictures and programs created by me, will be attached to the thesis.
48

Průmyslový stavový indikátor / Industrial state indicator

Růžička, Zdenek January 2008 (has links)
Diploma work deals with industrial display systems, indicators and their proposal. These systems are used everywhere that is necessary to mediate transmission of information. Own proposal of indicator is very specific and depends on given application and used display. In practice there is possible to use a few types of displays but in this diploma work there are used only sedmisegmental and matrix. Common component of proposal is microcontroller. No less significat and important part of the proposal is a choice of interface and communication protocol. The correct choice of hardware that is completed with software we will obtain complete status indicator.
49

Inteligentní monitorovací zařízení / Intelligent monitoring device

Nosek, Zdeněk January 2008 (has links)
This master thesis discusses design and realization of a security device for vehicles. This device can determine its actual location, discover unauthorized trespass and send information about this to a distant master system too. This distant master system can show the exact position of the security device on a map. The hardware and software for this security device and the software for the master system are described in this paper.
50

Využití sběrnice I2C pro komunikaci s externím zařízením / Communication with external devices by I2C bus

Prax, Jakub January 2008 (has links)
This diploma paper deals with the data bus line I2C and a supportive demonstration tool for the subject Microprocessor technology taught at the Radioelectronics faculty. The data bus line I2C is convenient when short-distance data transmission with restricted spatial possibilities is required but high velocity of data transmission is not necessary. The tool is compiled in such a way that enables it to also perform other tasks apart from those dealing with the I2C data bus line. The data bus line in the tool is utilized for transmission of date, time, temperature, data for the D/A converter, data from and to the EEPROM memory and data to 16 bits expander.

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