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dc.contributor.authorColak, Ilhami-
dc.contributor.authorDemirbas, Sevki-
dc.contributor.authorSefa, Ibrahim-
dc.contributor.authorIrmak, Erdal-
dc.contributor.authorKahraman, H Tolga-
dc.description.abstractIn this study, internet-controlled heating ventilating and air-conditioning (HVAC) system has been proposed with programmable sleeping time and automatic operation mode, three steps fan speed unit, adjustable fan angle, a remote control device with an LCD and a web based control unit. A low cost microcontroller (MC) to control HVAC system and a PC as an Internet server are used. The system has three different control units (remote control by a hand-device, keypad control mounted on HVAC, and web based control). Each control unit has same menu options for users. A data acquisition board provides communication between server and MC. A webcam is used to monitor HVAC parameters and room environment remotely over the Internet. The system uses HTTP protocol to control devices. Proposed web based control method remotely works for long distance. As HVAC systems have high voltage, driver circuits with opto-couplers have been used for safety of the system.en_US
dc.sourceJSIR Vol.67(9) [September 2008]en_US
dc.subjectRemote accessen_US
dc.subjectRemote monitoringen_US
dc.subjectWeb based controlen_US
dc.titleRemote controlling and monitoring of HVAC system over Interneten_US
Appears in Collections:JSIR Vol.67(09) [September 2008]

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