LUMEN ALARM & LIGHTING SYSTEMArtem Aginskiy, Grayson Carr, Yinuo James Chen, Andrew McDowell

Our Product Wireless control of

room lighting Automatic control of

lights according to room occupancy, programmed alarms

Manual dimming Energy efficient Cost: $300 for control

panel, $213 for light bulbs

Design Two components

Control panel unit Backlit LCD, pushbuttons, buzzer, motion

detector Alarm clock functionality Standard electrical outlet

Light bulb units High power LEDs Standard light sockets

Status Completed:

Wireless testing LED Connections Control panel hardware Control panel menus

In Progress: Integration and debugging

Previous Problems LED power supply too long

Solution: Cut in half

LEDs overheat Solution: Bought heat sinks, built a

spotlight array

Recent Problems Real Time Clock not running:

Solution: Created new control panel

Pushbuttons not cycling through menu: Solution: Grounded, fixed coding error

Debugging taking long time: Solution: Modularized code

Control Panel Unit Alarm clock functionality User-configurable settings Clock with coin cell backup LCD user interface Serial connection to computer for

debugging

Control Panel Menus

Light Bulb Unit Uses six high power LEDS Interacts wirelessly with control unit Flashes upon alarm Plugs into standard light bulb socket Dims LEDs through PWM (0 to 1.5W)

Light Bulb Test Unit Serial connection to computer LCD debugging output Plugs into standard light bulb socket Power:

1.032 Watts at 0.12 Amps 9.233 Watts at .98 Amps

Future Work Multicolored LED light bulbs

Allow user adjustable colors Powerline communication instead of

wireless Eliminates wireless interference Improves indoor range

Photocell for ambient light sensing Provide automated light dimming

Pictures

Pictures