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Input Ports
Input Ports 1, 2, 3, and 4 are
used to connect sensors to
the EV3 Brick.
PC Port
The Mini-USB PC Port,
located next to the D port,
is used to connect the EV3
Brick to a computer.
Output Ports
Output Ports A, B, C, and D are
used to connect motors to the
EV3 Brick.
Speaker
All sounds from the EV3 Brick
come through this speaker—
including any sound effects
used in programming your
robots. When the quality of the
sound is important to you, try
to leave the speaker uncovered
while designing your robot.
Check out the cool sound files
that can be programmed within
the EV3 Software (learn more
about using the Sound Block in
the EV3 Software Help).
SD Card Port
The SD Card Port increases the
available memory for your EV3
Brick with an SD card (maximum
32 GB—not included).
USB Host Port
The USB Host Port can be used
to add a USB Wi-Fi dongle for
connecting to a wireless network,
or to connect up to four EV3
Bricks together (daisy chain).
EV3 Brick
EV3 TECHNOLOGY