The Adafruit LP8806 strip is $35/meter and there are 804 meters in a half mile. You could buy a second car to turn on its headlights and drive back and forth on the driveway at that price 
The Adafruit LP8806 strip is $35/meter and there are 804 meters in a half mile. You could buy a second car to turn on its headlights and drive back and forth on the driveway at that price