Connect the clamps to the
chassis with the help of screws and bolts.
Connect the motors to the chassis
with the help of screws and bolts.
Connect the bluetooth board to the chassis with the
help of screws and nuts.
Connect the terminals of
right side motors to the right side pin of the bluetooth board and connect the
terminals of the left side motor to the left side pins of the bluetooth
board.
Connect the terminals of
the servo motor to the servo pins of the Bluetooth board.
Now connect the clamps to the servo motor and attach the pen to the clamps.