The Merry Grinchmas sweater is an interactive garment that provides a wide range of personalized printed messages as a complain whenever someone touches the Grinch’s hat pompon. Anti-Christmasy messages coming through a thermal printer controlled by Gemma MO, Arduino, and Capacitive Sensing.
This project is aimed at everyone who wants to have some fun and make others laugh while being the Grinch themselves!. Also, If you’ve ever wanted a sweater that prints, this is the one too.
Reference: Petrifax (mid- 90s).
Find here my Instructable–>