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o9 BARGRAPH
SAMPLE CIRCUIT
o9 BARGRAPH
i6 DIMMER
p1 POWER
MINI-CHALLENGE
Can you invent a way to
measure your mood?
10
REAL WORLD ANALOGIES
MUSIC
VISUALIZER
MEET THE BIT
The bargraph shows you
how much signal the Bit is
receiving with a display of
five light-emitting diodes
(LEDs) in different colors.
Try it with a dimmer to make
your own adjustable lamp.
HOW IT WORKS
The bargraph uses five LEDs
to turn electricity into light.
Each LED on the board
needs a certain amount of
signal in order to light up.
As you increase the signal
sent to the bargraph, more
LEDs will shine.
TV VOLUME
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