A device that relays a dog’s emotions in LEDs: here only detecting a wagging tail.
The goal here was to create a soft circuit that detects when a dog is wagging its tail – which then activates LEDs in a costume (red and blue like a police car).
![](https://www.carljamilkowski.com/wp-content/uploads/2023/07/ezgif-2-4450b7eae7.gif)
![Dewey - the test subject](https://www.carljamilkowski.com/wp-content/uploads/2022/12/IMAG0608-1024x577.jpg)
![](https://www.carljamilkowski.com/wp-content/uploads/2012/10/wag-sensor-623x1024.jpg)
![](https://www.carljamilkowski.com/wp-content/uploads/2014/04/wag.jpg)
![Tracing the cutouts for the sensor casing and placing the copper contact points](https://www.carljamilkowski.com/wp-content/uploads/2022/12/2012-10-12-09.51.191-1024x807.jpg)
![Some prototypes for the sensor](https://www.carljamilkowski.com/wp-content/uploads/2022/12/2012-10-12-16.37.26-1024x577.jpg)
![](https://www.carljamilkowski.com/wp-content/uploads/2014/04/wag2-886x1024.jpg)
![](https://www.carljamilkowski.com/wp-content/uploads/2014/04/2012-10-12-12.05.01-1024x577.jpg)
My research into previous work in this area: wag display [Augmented Animals, MoMA]
My role: sole contributor