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Analog Signals Datalogger
Ščišľak, Tomáš ; Frýza, Tomáš (referee) ; Vyskočil, Pavel (advisor)
The subject of my bachelor’s thesis is construction of device, which provides measuring and digitally recording of analog signals. The first part of this thesis deals with an analysis of circuit properties and building the basic scheme. It was important to choose proper components available. Datalogger consists of integrated digital circuits, which provide fast and reliable communication path. Function of main unit performs microcontroller Atmega128. The realization of external modules for current sensing looks interresting, particularly implementation of Hall sensor ACS755, circuits HCPL and solution of their connection with the main board. Second part of this thesis is oriented on hardware and software realization.
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Wireless sensoric network for hop drying facility
Čapek, Lukáš ; Čech, Jakub (referee) ; Šnajdr, Václav (advisor)
The purpose of this project is to build a wireless sensor network for measuring temperature and relative humidity in hop drying facility. This is a monitoring device, consists of several sensor units and one control and display unit. Display unit coordinates a whole network and can display data on LCD or download collected data to PC. Sensor unit measures a relative humidity, temperature, battery voltage and transmits data to display unit. Units contain a transceiver which operates in ISM band 868 MHz. Circuits are driven by 8-bits microcontroller Freescale.
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Analog Signals Datalogger
Ščišľak, Tomáš ; Frýza, Tomáš (referee) ; Vyskočil, Pavel (advisor)
The subject of my bachelor’s thesis is construction of device, which provides measuring and digitally recording of analog signals. The first part of this thesis deals with an analysis of circuit properties and building the basic scheme. It was important to choose proper components available. Datalogger consists of integrated digital circuits, which provide fast and reliable communication path. Function of main unit performs microcontroller Atmega128. The realization of external modules for current sensing looks interresting, particularly implementation of Hall sensor ACS755, circuits HCPL and solution of their connection with the main board. Second part of this thesis is oriented on hardware and software realization.
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Wireless sensoric network for hop drying facility
Čapek, Lukáš ; Čech, Jakub (referee) ; Šnajdr, Václav (advisor)
The purpose of this project is to build a wireless sensor network for measuring temperature and relative humidity in hop drying facility. This is a monitoring device, consists of several sensor units and one control and display unit. Display unit coordinates a whole network and can display data on LCD or download collected data to PC. Sensor unit measures a relative humidity, temperature, battery voltage and transmits data to display unit. Units contain a transceiver which operates in ISM band 868 MHz. Circuits are driven by 8-bits microcontroller Freescale.
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