Keyestudio Smart Little Turtle Robot V3 Manual page 141

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(3) 8*8 Dot Matrix
advertisement screen and bulletin board, by controlling LED to show words,
pictures and videos, etc.
Divided into single-color, double-color, and three-color lights according to
emitting color , LED dot matrix could show red, yellow, green and even true
color.
There are 4×4, 8×8 and 16×16 different types matrix.
Composed of LED
emitting tube diodes,
LED dot matrix are
applied widely to public
information display like
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