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WEIGHT
SENSOR
FUNCTION
OF MAIN
COMPONENTS
WEIGHT
SENSOR
ASSEMBLY
Micr-
computer
Weight
Sensor
-
Osilator
I
WI)
J-U-L I
-I
1. When
the food
is placed
on the
turntable,
the
gap
between
the
elctrodes
increases
in direct
pro-
portional
to the weight
of food.
The elctrodes
have the function
of
a capacitor.
2. The
frequency
of
the
oscilator
changes
according
to
the
capacitance
of
the
weight
sensor.
3. The
micro-computer
meas-
ures the weight
of food
by
detecting
the change
in the
oscilating
frequency.
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