John the Math Guy
Applied math and color science with a liberal sprinkling of goofy humor.
Showing posts with label
scribble pen
.
Show all posts
Showing posts with label
scribble pen
.
Show all posts
Tuesday, June 3, 2014
Scribble Pen, a real Color Picker Pen?
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I wrote a blog post a while ago called " Color Picker Pen ". This pen had a color sensor and could change the color of the ink to...
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