I/O brush – the world as the palette

The I/O Brush is a digital paintbrush that is able to detect the colour, texture and movements of objects. The brush is equipped with a small CCD video camera, force sensors and a ring of white LEDs. When the user pushes the brush up against an object the force sensors trigger the LEDs providing the video camera with enough light to make a successful recording for the period the brush is pressed against the object. The hope is that the people using it will develop their own unique ‘digital inks’ which they can use to draw on the canvas. The canvas itself is a backlight touchscreen display which is able to read from the brush and display the recorded video.

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