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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.
1

Zabezpečovací systém pro budovy / Building Security System

Judiny, Martin January 2018 (has links)
Diploma thesis deals with home security system using Raspberry Pi as a central microcontroller unit and it´s additional peripherals. Informations are accessible via web server.
2

Testování a nabíjení akumulátorových článků / Testing and charging of accumulator cells

Sršeň, Jan January 2009 (has links)
Direction of the master's thesis is design and construct electronic device for testing available accumulators. Than there are in detail subscribe some metods of charging cells and their right usage to select type of cells. Also eventually problems that can become if the choice is false. Next part contains description of principles as several type accumulator works and their loading characteristic witch are important know for choose the best testing way. The most important knowledge is detection of stop point charging when accumulators are charged and following charging can be dangerous. Because there are more methods to detect this point so in thesis are overwrite. The most important part is design of tester. That is mapped to more segments witch communicating together. Controller part of intelligent tester contains ATmega128 microcontroller so there is present a passage of program code. Last section of master's thesis describe a physical consruction and explain division for smaller parts and hole process of tester function.
3

Dálkově řízené pracoviště elektrochemických senzorů / The remote control workplace of electrochemical sensors

Cieslar, Jakub January 2011 (has links)
This master’s thesis deals with the design of automated workplase for measurement with electrochemical sensors. Design and realization of a device, which communicates with computer and which can be controlled via WAN or LAN nets, are the main aims of this work. This thesis describes the process of designing, realization and optimalization of designed preparation adjustment. It also describes created software of a device, driver for service PC and programme of a web client.
4

Zabezpečovací systém pro budovy / Building security system

Judiny, Martin January 2015 (has links)
Diploma thesis deals with home security system using Raspberry Pi as a central microcontroller unit and it´s additional peripherals. Informations are accessible via web server.
5

Mikroprocesorové řízení senzorické plošiny / Microprocessor control of sensory platform

Konečný, Lukáš January 2010 (has links)
This dissertation deals with a development of MCU position steering application of two servomotors and with data process evaluation from a connected sensor for distance measuring as well. The connected sensor is adjustable as for azimuth and elevation. Data from the sensor will be useful both for instant evaluation according to preset criteria and for additional possible processing at PC. The development is to be carry out at MCU ATmega128. HMI is represented with keyboard, LCD and joystick. The result of the dissertation is to be adjusted for practical demo. This research has been supported by the Czech Ministry of Education in the frame of MSM 0021630529 Research Intention Inteligent Systems in Automation.
6

Zubní 3D skener / 3D dental scanner

Kotek, Lukáš January 2015 (has links)
The general aim of my master´s thesis is to study the actual principles of 3D scanning, the anatomy of human teeth, use of 3D scanning in dentistry and other medical fields. Another part of this thesis is about software and hardware design of 3D scanning system, which enable us to scan dental casts. This design is using webcam, projector and turntable. The principle of scanning is based on the activ triangulation. The output of 3D scanner is a horde of spots, which are used for reconstruction of a surface. The reconstructed surface is finally saved as .stl format.
7

Modernizace malosériové výrobní linky / Small-lot Production Line modernize

Havlena, Marek January 2016 (has links)
This Master‘s thesis is dedicated to the design and modernization of the control of production line for the small-lot production of various plastic products. As a control unit will be used 8-bit microcontroller ATmega128. This thesis also deals with design of the needful electronics to control the production line by using appropriate elements and necessary software solution.
8

Audio výkonový zesilovač ve třídě D s mikroprocesorovým řízením / Class D audio power amplifier with microprocessor controlling

Nedbal, Jan January 2012 (has links)
The thesis deals with the design and practical realization of class D audio power amplifier with microprocessor controlling. The first part describes the integrated circuits used in a preamplifier and his complete design with a description of the control program for ATmega128 microcontroller. The following part describes an integrated power amplifier TAS5613 and his circuits. The next section describes a switching power supply design using integrated circuit TOP261EN. The last section describes measurements of parameters of individual parts of the amplifier.
9

Inteligentní senzorická síť navržená pro specifikaci 802.15.4 (beta aplikace) / Intelligent Sensory Net designed on the standard IEEE 802.15.4

Janšta, Tomáš January 2009 (has links)
This thesis focuses on design of wireless network nodes using modular construction parts with respect to IEEEŽ 802.15.4 standard. Presented platform joins the benefits of the XBeeŽ wireless module and the AVR ATmega128 microcontroller development system. Sensor network prototype is designed to meet the desired first attempt functionality of embedded platform for collection and delivery of small volumes of control and sensor data between the network and the gateway. The control software was developed for TinyOS operating system. Designed platform is used as the framework for future development and possible functionality extensions in related applications.
10

Robot pro stolní tenis / Table tennis robot

Nguyen, Thuc Tuyen January 2013 (has links)
This diploma thesis deals with designing and manipulating a robot for training table tennis. Robot's mechanical construction is based on aluminium profiles supported by various standardized assembly units, such as rotating bearings, plain bearings, threaded rods... The front-end part of the robot, which requires better deformation property and lighter weight, was made from ABS material using 3D rapid prototyping technology. The design of the robot allows its body to rotate around three axises. Thanks to the high dynamical ability, robot can be set to throw balls to various places on the playing table, with different types of ball spin. Balls will be shot out by two rubber wheels, which are attached to two electrical DC motors. By driving the speed of the two motors, we can control the speed of the ball, as well as speed of its spin. All robot's activities are driven by an embedded system designed using microcontroller ATMega128. A firmware for controlling robot's function was writen and flashed into the microcontroller. End-users might communicate with the robot via a system of buttons and a text LCD display. The built robot was tested and it has shown its ability to throw balls to 6 different places of the playing table, at different speeds, with different types of ball spin, and different spin speed, according to the parameters set by user.

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