Energy in a House

October 30, 2007
Solar power run the fan.
The roomba cleans.

As it goes back and forth the light sensor keeps record of its distance.
Now a temperature sensor is used to keep track of when to start and stop the fan.

Here is two sets of  data from other fan

The garage door was programmed to open when the button is pushed.

Halloween
LEGO  Links of Linda Hamilton hamilton@marshall.edu