Specifications

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SystemOverview
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Figure1:SystemOverview
Thesystemwhichwasdesignedbythepreviousteamaimedattwospecificobjectives.Thefirst
objectivewastointegratetheentiresmarthomesubsystemsinawaysuchthatitcouldbeaccessed
andprogrammedfromoneinterface.Thesecondobjectivewastodevelopthecontrolschemeforthe
system.Thesystemwasdividedintothreedifferentsubsystems.ThefirstwastheInsteonlightingand
homeappliancecontrol.Nextwasthewirelessnetwork‐managedthermostat.Last,thehomecontrol 
serverprovidedcontrolandaninterface.
TheInsteonlightingandapplianceswasdesignedsothattheusercouldcontroleachapplianceand
lightinginhisorherhousefromaPCwithaninternetconnection.Thesystemgavetheusertotal
controloverthebrightnessandswitchingoptionsofthelightingequipments(incandescent,fluorescent)
andlamps.AppliancesconnectedtotheInsteondevicescouldalsobesettoon/offmode.This
subsystemconsistedofaPowerLincV2andotherInsteonnodes.
Thenetwork‐managedthermostatallowedtheusertocontroltheHVACsystembasedon
predeterminedorautomatedschedules.Theideawastodevelopitasacustomdigitalthermostatwhich
iswireless.ThissubsystemconsistsofaDigiConnectWi‐EM,aPICcontroller,anLCDscreen,athreeway
switchandafourbuttonkeypad.
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