background image

To turn on the motor

When the switch contact is
pushed, it connects with
the printed pattern and the
electric current will flow.

PCB printed pattern.

The direction
of the elec-
tric current

The direction
of electric
current

Regular rotation

Connecting to this
side makes the reg-
ular rotation.

With a switch,
the motors
can rotate in
both direc-
tions.

Connecting the
other side reverses
the rotation.

Combining
these two 
circuit.

Reverse rotation

The power goes
lower than the other.

When this side is
mostly used, 

This means,

The motor will turn fast when
reversing.

The motor will turn slowly for
regular rotation.

Motor

The electric flow
will be reversed.

Ⅱ.

Technical Data 

Ⅱ.Technical Data

Ⅱ.

Technical Data 

1. Explanation of Controller

About the controller

AIR SHOOTER is able to move forward, backward, rotate and shoot the ball by controlling the

motor’s rotating direction, with three switches on the controller. 

The controller: 1. turns on and off each motor, 2. decides the direction of rotation of each motor.

About turning on the motor

To turn on the motor, electric current needs to be flowing into the motor. There are paths

(printed patterns) on the printed circuit board, through which the electric current can pass.

When the switch on the controller is pushed, the switch contact inside is also pushed in and

makes a path for the electricity to run through. 

Deciding motor direction

The rotating direction of the motor will be decided by the direction of the electric current.

When the electric current is reversed, the motor will start turning the other way. How does this

have to do with the controller?

There are two power circuits for each motor, which will decide the rotating direction as shown in

the illustration. The switches of the controller will decide which circuit the motor should connect

with.

The advantage of this system is that the circuit pattern is simple. However, when the motor is turn-

ing only in one direction, the battery side which is providing the power will be consumed more than

the other side. In other words, when the machine is moving forward much more, the forward

movement becomes very slow; the backward movement remains very fast. To solve this issue, side

motors are designed to use the opposite battery pairs when the machine is moving forward or back-

ward. 

25

24

AIR SHOOTER is able to make various movements by using three motors. How are the

motors controlled? In this section, let’s talk about the AIR SHOOTER controller mechanism.

*MR-9003E  3.7.30 1:47 PM  ページ 24

Содержание MR-9003E

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Страница 12: ...hole Put in small cut up pieces of rubber bands Ping pong table Install fences around the table Goal Goal Make many other creative and fun games and rules How to operate Forward Left rotation Right ro...

Страница 13: ...printed circuit board through which the electric current can pass When the switch on the controller is pushed the switch contact inside is also pushed in and makes a path for the electricity to run th...

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Страница 15: ...ted Mold Explanation of Molding Explanation of Molding The robot has many plastic parts for its body and the controller There are many plastic products around you also When you compare the same plasti...

Страница 16: ...he gate Melted plastic was poured in here Parting line The part where the molds meet Gate Parting line Explanation of Molding Weld line As explained in the previous pages the molds have the shape exac...

Страница 17: ...heating and pressurization and it is removed synthesized synthetic rubber synthetic fiber synthetic leather and called as synthetic resin It sounds like difficult doesn t it Let s explain about plast...

Страница 18: ...them by heat and chemicals These could be other products later Recently package of the products show material of plastic to distinguish each material easily Recently a gift box has a printing of plast...

Страница 19: ...nd vinyl wire might be cut sometimes PCB solves this problem as well You may hard to find the electric machines that is without a circuit board However circuit board has some electricity to avoid elec...

Страница 20: ...er film is that copper made as very flatten and it is the part that let electricity through The board has the copper film only one side is called one sided PCB both side is called double sided PCB bot...

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