National Repository of Grey Literature 5 records found  Search took 0.00 seconds. 
Control system for greenhouse
Haring, Filip ; Jirgl, Miroslav (referee) ; Bradáč, Zdeněk (advisor)
This project deals with design and implementation of control system, which is used for regulation climate conditions in special grow box. Measured values are displayed on graphic LCD, sent to application in PC or displayed on web server. The project solves software and hardware implementation of measurement system.
LED light with adjustable spectral radiation for breeding and growing
Satora, Ondřej ; Hrach, Petr (referee) ; Klozar, Lukáš (advisor)
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.
Dimming Controller for LED Chips and Stripes in DALI and DMX Systems
Kovács, Benjamín ; Tříska, Vít (referee) ; Šimek, Václav (advisor)
Bachelor's thesis deals with development of dimming controller for LED chips and stripes controlled with DALI and DMX systems for  ELKO EP company. The firmware and hardware was created, which can handle three individual channels with constant current dimming, capable to dim High Power LED. Firmware was implemented in language C and hardware was developed with LPCXpresso kit from NXP.
Control system for greenhouse
Haring, Filip ; Jirgl, Miroslav (referee) ; Bradáč, Zdeněk (advisor)
This project deals with design and implementation of control system, which is used for regulation climate conditions in special grow box. Measured values are displayed on graphic LCD, sent to application in PC or displayed on web server. The project solves software and hardware implementation of measurement system.
LED light with adjustable spectral radiation for breeding and growing
Satora, Ondřej ; Hrach, Petr (referee) ; Klozar, Lukáš (advisor)
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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