1. WOMAN (Work-Oriented Mobile Autonomous Neat-freak) University of Florida Department of Electrical and Computer Engineering Intelligent Machines Design Laboratory Eric Donnelly 7/11/02

2. Special Sensors  2 CdS cells  2 LM35 Temperature Sensors

3. CdS Cells Uses voltage divider network with 33kΩ resistors Mounted in Pen caps, provide very directional light detection. Using two can provide information of where the light is coming from.

4. CdS Data 0 0 20 degrees right 40 degrees right 20 degrees left 40 degrees left feet awayLeftRightLeftRightLeftRightLeftRightLeftRight 10525412014315816010888186189 839 83911601618755178163 62628661031461588558171164 48148403916011016165103 26931081917196414620 Note: the ambiant room lighting gave values of 186 and 189, respectively.

5. Temperature Sensors  Provide 10mV output per 1 degree C above 0.  With A/D with 5V reference, resolution is 2 degrees C.  Mounted with heat sink compound

6. Temperature Data

7. Whats Next?  Assemble recharging station  Mount conduction plates  Add relay to isolate fan and controller  Tweak