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Rotary controller for PC
Olivík, Lukáš ; Horák, Martin (referee) ; Kolka, Zdeněk (advisor)
This thesis describes the Universal Serial Bus and the development of a simple HID peripheral device, connecting a rotary encoder as a control element to the host computer. This paper includes an overview of suitable microprocessors, circuit design, PCB and mechanical design, creation of a firmware for the selected microprocessor, and programming of demonstration software on the PC’s side.
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Power line communication modelling in Network Simulator-3
Horák, Martin ; Zeman, Václav (referee) ; Mlýnek, Petr (advisor)
The diploma thesis deals with the issue of data transmission over power lines, focusing on simulation transmission functions. The theoretical part summarizes basic information on PLC technology and distribution networks, followed by analysis PLC simulator implemented in NS-third In the practical part of the thesis is described implementation of individual types of underground and overhead lines to the PLC simulator. Also been carried simulation scenarios for a simple topology and were designed own simulation scenarios for extended topology and simulations have been carried out various kinds of interference on communication.
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Defect detection
Horák, Martin ; Boštík, Ondřej (referee) ; Richter, Miloslav (advisor)
Vizuální inspekce desek plošných spoju (DPS) lidmi se stává nemožná z důvodu zvyšující se komplexity a miniaturizace desek plošných spoju. K dosažení vysoké spolehlivosti DPS jsou výrobci nuceni vyvíjet nové metody inspekce, které by zajistily kontinuální kontrolu každé desky a oddělily ty, které nesplňují požadavky na jakost. Jednou z možností je použít automatickou rentgenovou inspekci, kterou se zabývá tato práce.
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Precise frequency generator
Kopečný, Martin ; Horák, Martin (referee) ; Kolka, Zdeněk (advisor)
This bachelor thesis is aimed at design and realization a Precise frequency generator. Generator making use radio service DCF77 as a source of referencial signal for synchnonization. Synchronization with DCF signal warrants to generator high long time precision of output frequency. Generator is used to measurement. This device generate synchronous clock frequency in two places which are independent and remote each other about 1km.
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Weather Forecast Based on Different Sources
Hořák, Martin ; Kořenek, Jan (referee) ; Novotný, Tomáš (advisor)
Bachelor thesis deals with the weather forecast through the artificial neural network with backpropagation method. The forecast is based on data obtained from freely accessible services offering weather information. The created application downloads and saves the forecasts from servers and creates a new forecast. The results of the prediction are being compared with the reality and the original services.
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Design of Breakfast Table
Horák, Martin ; Zvonek, Miroslav (referee) ; Rubínová, Dana (advisor)
The main objective of this bachelor thesis is to design a practical breakfast table, which would facilitate its multifunctionality some human activities in the home, as for example: dining in bed, using a notebook and much more. Breakfast table should meet all ergonomic requirements and take its design.
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Wireless Mesh Protocol for FreeRTOS
Horák, Martin ; Krkoš, Radko (referee) ; Červenka, Vladimír (advisor)
Bachelor thesis aims to introduce in thereretical part operating principe of mesh network, their practical use, brief introduction of mesh protokol and standard 802.15.4. Also present a real-time operating systems, that can be used for programming applications based on real-time operating systems architecture. In practical part is to create several progres and made measurements of energy consumption and the number of cycles. Based on the results is found most appropriate implementation into the FreeRTOS. The final chapter is devoted to the overview of the achieved results, which are summarized in the tables.
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