Guide
13
MEET THE BIT
o9 BARGRAPH
The bargraph uses ve 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.
MINI-CHALLENGE
Can you invent a way to measure your mood?
REAL WORLD ANALOGIES
SAMPLE CIRCUIT HOW IT WORKS
The bargraph shows you how much signal the Bit is
receiving with a display of ve light-emitting diodes (LEDs)
in dierent colors. Try it with a dimmer to make your own
adjustable lamp.
MUSIC VISUALIZER
TV VOLUME
o9 BARGRAPH
p1 POWER
i5 SLIDE DIMMER