Remote Central Heating Control

Tom Kamin (2012) Remote Central Heating Control. EngD thesis.

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Abstract

Modern microcontroller technology allows for easy communication with a remote location over the Internet. In our thesis, we designed an embedded system, which allows the user to remotely control the central heating system through a web interface. The embedded system consists of a microcontroller development board Arduino Mega 2560, a network- based microcontroller module Wiznet W5100 and a DS1621 digital temperature sensor. The user interface consists of a matrix keyboard and a LCD character display. For the embedded system, we have developed software that allows the user to control and display the current ambient temperature on the LCD screen. Central heating is controlled by a power relay. We have developed a complementary information system in the form of a web interface that allows the user to monitor and adjust the ambient temperature and also monitor various embedded system's status data from a remote location. The web interface has been developed on ASP.NET platform. Administration pages have been added for the purpose of user and embedded system's data manipulation and storing. As a conclusion, we have designed a printed circuit board of our embedded system, but the circuit has not yet been etched. For the purposes of designing the printed circuit, CadSoft EAGLE PCB development tool has been used.

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