1 DAC SDC 2006
Illumimote: A High Performance & Multi-Modal Light Sensor Module for Wireless Sensor Networks
Developed a new light sensing module for wireless embedded platform (Mica) that provides wireless sensing and sensor networks (WSN) capabilities
Can be used for film making, video production, multimedia and lighting control applications Replace hand-held light meters with wireless sensors in the set Automatic archive and document lighting information into database
Sensing Capabilities
Light Intensity
Color Temperature (RGB)
Incident Light Angle
Board Attitude
Temperature
2 DAC SDC 2006
Design of the IllumimoteSensors from WSN
Commercial Meters
Light Acquisition (Sensor) Unit
AttitudeSensor
Situational Sensor Unit
LocalProcessor
UA
RT
PowerSupply
Cha
nnel
Sel
ectio
n U
nit
ADC
Dynamic range(sensitivity)control Unit
Temp.sensor
-
+
I2C
Dat
a B
us
Network Capability
Low Performance
High Accuracy
Slow Response
No Network Support
Illumimote
Network Capability
High Performance
Multi-Modal
Proprioceptive Sensing
3 DAC SDC 2006
Summary Verified Performance
Specification Range Accuracy
Light Intensity 4.7 – 13,000 Lux 5%
Color Temperature 2900°K – 6560°K 5%
Incident Light Angle 360° X, Y above board 3°
Power consumption 90mW
Speed 340 wireless measurements / sec
Acknowledgment