by fqiu

For the color changing assignment, I wanted to explore how thermochromatic ink can help reveal emotions.

I first sketched some facial expressions that could be represented using threads.

Then I used a paper box to represent the face.

I then sew the facial feature onto the fabric and the box

Here are the results:

cold hot

Thermobot in action


Voltage: 3.7 V

Resistance: 15.9 Ohms

Current (calculated) : 232 mAmps

Current (measured): ~100 mAmps