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Automated Home ControlAutomated Home Control
Nick AtkinsonMatt MajeikaUngku Afiq Ungku Farid
Sponsor: Terry Slattery (Netcordia)
12/4/2007 1
12/4/2007 2
12/4/2007 3
Project ScheduleProject Schedule
12/4/2007 4
30-Nov-07 Group Meeting - Digi Technical Support
2-Dec-07 Group Meeting - Power Supply
4-Dec-07 Group Meeting
6-Dec-07 Group Meeting
6-Dec-07 Sponsor Meeting
9-Dec-07 Group Meeting
13-Dec-07 Final Sponsor Meeting
Network-Managed Network-Managed ThermostatThermostatPrimary focus thus far
12/4/2007 5
Power Supply CircuitPower Supply Circuit24VAC from HVAC
9VDC regulator for PIC
3.3VDC regulator for Digi
Design adapted from Bonitron project
12/4/2007 6
Power Supply CircuitPower Supply Circuit(insert schematic)
12/4/2007 7
Digi ControllerDigi ControllerUnable to load startup program
Contacted technical support
Research – learning more about the controller
Pin limitations
12/4/2007 8
PIC ControllerPIC ControllerConcerned with size and pin
consumption
Impractical
12/4/2007 9
LinuxLinuxObtained linux OS and installed
on PC
Scheduled meeting with Brian Turnbull
Software help
12/4/2007 10
Current ProgressCurrent ProgressPower supply circuit has been
improved through the use of the Bonitron signal conversion circuit
In communication with technical support regarding the Digi controller
12/4/2007 11