I am using Chang Liu‘s custom sensor (fan) to turn 3 LEDs on and off. The narrative behind these sensors is that there is a fire (red LEDs) to be put out and the only way to put it out is with a fan.

I extended Chang’s copper stripes so it would be more sensitive to movement. As I move the fan, the copper tape would touch each other and the LEDs would turn off.

Below is the Arduino code:

This is a sample video of the sensor:

https://vimeo.com/235452325

Here is the explanation video for kids:

https://vimeo.com/235486618