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Voltage
15
Regulator
DC Power
16
Jack
Microcontr
17
oller
To control the voltage provided to the
Arduino board, as well as to stabilize the DC
voltage used by the processor and other
components.
Convert an external input DC7-12V voltage
into DC 5V, then switch DC 5V to the
processor and other components.
Arduino board can be supplied with an
external power DC7-12V from the DC power
Each Arduino board has its own
microcontroller. You can regard it as the
brain of your board.
The main IC (integrated circuit) on the
Arduino is slightly different from the panel
pair. Microcontrollers are usually from
ATMEL. Before you load a new program on
the Arduino IDE, you must know what IC is
on your board. This information can be
checked at the top of IC.
jack.
71
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