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31	Bootloader pro Sci-Trace / Bootloader for Sci-Trace Novák, Lukáš January 2016 (has links) In this thesis analyze in detail issue Bootloader for microcontrollers AVR and made proposal for implementation to the device Sci-Trace. Modification electronics part deal with patch board, where used connect between others module and control board. Control Board handle with computer and individually module. Example others module are control optics or control stepper motors. From user interface is resolve choice information display for show temperature inside the device. From mechanical part is resolve store electronic part to the rack section. From programming part is create firmware for control board and others module. For users operation is create program for operation system for upgrade application firmware to microcontroller.
32	Development Board for 32-bit Microcontroller Atmel AT91SAM9261 / Development Board for 32-bit Microcontroller Atmel AT91SAM9261 Demín, Martin January 2009 (has links) Vestavený hardware je velice populární v této době. Proto jsme se rozhodli vytvořit desku s mikrokontrolérem AT91SAM9261 spolu so standartným a nestandartným hardwarem. Standartným, běžným by se dal nazvat port LAN alebo audio vstup-výstup. Nestandartným, špecialním by mohl být obvod FPGA firmy Xilinx o velikosti 200k. Toto dovoluje využít zažízení v oblastech, kde výpočetní síla obyčejnýho CPU již není dostačující.
33	Lokalisering av skidor i lössnö : Självständigt arbete i Teknisk Fysik / Positioning of skis in powder snow : Independent Project in Engineering Physics Trella, Fredrik January 2011 (has links) This report studies the possibility of using some sort of radio sender and transmitter in order to position skis lost in powder snow. It is concluded that a RF-solution on the 433 MHz frequency should be the most efficient. Different forms of directional antennas are examined and studies show that in theory the best suited is the so called “Yagi-Uda antenna”. A solution based on using a Receive Signal Strength Indicator value together with the above mentioned directional antenna is developed. To control these different components microprocessors from Atmel is used. These are programmed in C and compiled with Atmel’s own compiler AVR Studio. Despite all efforts it is proven that the prototype does not perform in an adequate way. An alternative solution based on “byte-loss-rate” is then developed and the results are slightly improved. Nevertheless, the directional properties of the antenna are still too poor why other alternatives are discussed. No fully functioning prototype is achieved but good grounds for further development of the prototype into something that fulfills the specifications are produced. skis positining 433 Atmel ATMega AVR sender receiver byte loss rate RSSI Yagi RF USART UART USI skidor lokalisering positionering 433 Atmel ATMega AVR sändare mottagare byte loss rate RSSI Yagi RF USART UART USI
34	Modulární systém s jednočipovým mikroprocesorem Atmel AVR pro měření při hrách v přírodě / Modular system with single-chip Atmel AVR microprocessor for measuring at outdoor competitions KROUPA, Bohumil January 2017 (has links) This diploma thesis deals with the design, construction and programming of universal modular system of timekeeping for children´s outdoor sports games. The basis of this system are single-chip AVR microcontrollers Atmel ATmega 32 and ATmega 328. Data transmission between the modules is realized by a wireless serial port HC-12th. The system is applicable to multiple types of competitions with different types of sensors for time measuring, and it is independent of the continuous supply of electricity.
35	Návrh a realizace stavebnice pro výuku a vývoj aplikací s jednočipovými mikropočítači rodiny Atmel AVR / Design and implementation of modules for teaching and developing applications with microcontroller Atmel AVR LANGMAJER, Miroslav January 2012 (has links) This thesis is based on the design and production of teaching kits with expansion modules which are based on the Atmel AVR microcontroller. Kit consists of a plate containing processes and basic power modules directly on the board and expansion modules "SIMAČ". "SIMAČ" modules are virtual elements that simulate the real elements and they are commonly used in industrial automation. Because of their cost they are integrated in extension kit as programmable modules. It also contains basic theoretical information about working with ATMEL AVR microcontrollers. Expansion modules with module development board and disc which will be loaded all the schemes, programs and technical documentation for individual districts will be attached to the thesis.
36	Bezdrátová čidla pro měření hladiny vody / Wireless water level sensors Pospíšil, Jakub January 2010 (has links) The thesis deals with both scheme and its implementation of water-level metering apparatus. This data are send wireless into 500 m distant station. Potential ways of solution are gradually studied and final design suggested. Detailed implementation methods are described in the following section. Ultrasonic sensors are employed for level measurement and controlling element is processor ATmega162, data are transmitted by transceiver RC1280HP. Apparatus is suggested with a view to the lowest power consumption considering it will be supplied only with a accumulator. Solving of accepting station is not a part of the thesis. Functional tested sample is understated in the execution section.
37	Bezdrátové zabezpečovací zařízení / Wireless security device Nejedlý, Tomáš January 2010 (has links) This project deals with design and study wireless security device. This device works in ISM band, created by two modules handling secure subject. Microprocessor AVR from company Atmel provides communication between these modules.
38	From Theory to Implementation of Embedded Control Applications : A Case Study Fize, Florian January 2016 (has links) Control applications are used in almost all scientific domains and are subject to timing constraints. Moreover, different applications can run on the same platform which leads to even more complex timing behaviors. However, some of the timing issues are not always considered in the implementation of such applications, and this can make the system fail. In this thesis, the timing issues are considered, i.e., the problem of non-constant delay in the control of an inverted pendulum with a real-time kernel running on an ATmega328p micro-controller. The study shows that control performance is affected by this problem. In addition, the thesis, reports the adaptation of an existing real-time kernel based on an EDF (Earliest Deadline First) scheduling policy, to the architecture of the ATmega328p. Moreover, the new approach of a server-based kernel is implemented in this thesis, still on the same Atmel micro-controller. embedded electronics computer engineering control theory inverted pendulum real-time arduino atmel atmega328p atmega MATLAB wcet worst case execution time
39	Modul pro monitorování teploty / Temperature monitoring unit Martínek, Jaroslav January 2008 (has links) Content of the Bachelor Thesis covers design and realisation of an unit for multipoint temperature measuring in cooling and freezing equipments in food stores and shops. As a controlling microcomputer is used an Atmel ATMega128, temperature sensors are realised by DS18S20 digital thermometers, connected via 1-wire bus. Unit can read temperature from 32 temperature sensors, includes memory for measured data, real time clock, Ethernet interface and display with buttons for basic user control. Temperatures are measured periodically with user defined interval, values are stored into internal memory and showed on display. Measured data can also be transferred via Ethernet to clinent PC, where can be viewed in form of table and graphs.
40	Realizace bezdrátové senzorové sítě s mikrokontroléry Atmel AVR / Wireless Sensor Network with Atmel AVR Microcontrollers. Mráz, Ľubomír January 2010 (has links) This diploma thesis describes the standard IEEE802.15.4 and Zigbee for wireless sensor networks. These norms are described in detail in the first two chapters. The main priority of the wireless sensor networks is to minimize the power of the devices and the price while maximizing the reliability of the data transfer. Minimum consumption is provided by the significantly lowered complexity in comparison to the standard wireless networks. Further, the design of the concept of the complex and universal hardware platform focused on intelligent building is described. Software implementation of those norms is described in the chapters five and six. Finally, comparison of the designed hardware platform and the other commercial platforms is described in the last chapter.

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