Mood pen / pen

“Dairy Mood Pen” is a smart pen which can change
the words’ color color along with the change of mood
especially for dairy writing.You can see the change
procedure of mood through the variety of color.
Writting dairy can record our intraday mood.As we know
color can represent the mood such as yellow represents
happiness and blue represents depression.Based on the
ralevance,”Dairy Mood Pen” can chang the color of
writing to record mood more directly and visually by
monitoring the temperature of user.
You can find the change of your mind during the writing and the overall change during this month through the color of writing.