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Řídící a diagnostický systém sběrnice I2C / Control and Diagnostic System for I2C BusJuhás, Miloš January 2011 (has links)
The objective of this diploma thesis is design and realization of I2C bus analyzer. I2C bus protocol is briefly described, together with means of connecting devices to the bus. Next the basic requirements for I2C bus analyzer are defined. Then the design of hardware I2C-to-USB converter including block description is proposed. The chapter dedicated to converter firmware describes method of communication with PC, decoding of intercepted commands and principles of master, slave and passive mode of bus monitoring. The last part is focused on operation software and its structure. Described are individual interfaces, most notable classes and default plugin modules.
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Zařízení pro vzdálený WakeOnLan / Remote WakeOnLanPitner, Ivo January 2011 (has links)
This work deals with construction of an embedded system with remote access, whitch controls computers in the same network in order to reduce their energy consumption. For this purpose is used the WakeOnLAN technique. The device also uses two power components called SSR and these are used for switching AC power to them attached appliances. The work discusses the TCP/IP architecture, system design and finally the firmware implementation.
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Mikroprocesorem řízený nabíječ baterií / Microcontroller driven battery chargerMichalčík, Bohumil January 2012 (has links)
The first part of the work was dealing in general with switched power supply and types of battery chargers. The second part is made by my own design of microprocessor driven battery charger. The design is based on datasheets and recommended circuit connection. The electrical scheme and also the printed circuit board was designed in Eagle 5.11.0 design system. The battery charger is capable of charging these types of batteries: lead acid, NiMH, NiCd, LiPol a alkaline accumulators, and the maximal output current from charger is 3A. The software implementation and design are also part of this master‘s thesis.
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Mikroprocesorem řízený nabíječ baterií / Microcontroller driven battery chargerMichalčík, Bohumil January 2012 (has links)
The first part of the work was dealing in general with switched power supply and types of battery chargers. The second part is made by my own design of microprocessor driven battery charger. The design is based on datasheets and recommended circuit connection. The electrical scheme and also the printed circuit board was designed in Eagle 5.11.0 design system. The battery charger is capable of charging these types of batteries: lead acid, NiMH, NiCd, LiPol a alkaline accumulators, and the maximal output current from charger is 3A. The software implementation and design are also part of this master‘s thesis.
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LED světlo s nastavitelným spektrem vyzařování pro chovatelské a pěstitelské účely. / LED light with adjustable spectral radiation for breeding and growingSatora, Ondřej January 2012 (has links)
The aim of my master’s thesis is the design of the LED lighting system for breeding and growing purposes as replacement for the classical high-pressure sodium lamps and other sources of light used today. The whole system can be controlled locally by buttons or remotely by web server using Ethernet interface. LEDs are powered by five-channel step-down converter with current feedback. Converters are controlled by pulse width modulation generated by microcontroller.
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Budič světlometů s LED diodami / Driver for LED automotive lightsChristen, Jiří January 2014 (has links)
This master's thesis deals with a design and realization of a LED driver that is based on integrated circuits NCV78703 and NCV78723 from ON Semiconductor. The aim of the project is to create a demonstration application with these integrated circuits for the use of company. The circuits can be especially used for driving LED automotive lights. The driver is controlled with a microcontroller also providing a communication with a software running on a PC via USB interface. This software enables to simply modify parameters of the driver in order to adjust an intensity of LEDs.
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