Which of the following is the correct order for assembling the car?

• Body, Rods, Front Wheel, Screws, Tabs, DC Motors, Screws, Nuts, Axle & Wheel

• Body, Tabs, DC Motors, Screws, Nuts, Axle & Wheel, Rods, Front Wheel, Screws

• Body, Rods, Front Wheel, Screws, Tabs, Axle & Wheel, DC Motors, Screws, Nuts

• Body, Tabs, DC Motors, Rods, Screws, Nuts, Axle & Wheel, Front Wheel, Screws

How many wheels does the final car have?

• 1

• 2

• 3

• 4

How many wheels on the car are controlled by motors?

• 1

• 2

• 3

• 4

Which of the following is the correct list of all of the additional items you need to use your car efficiently at a minimum?

• Breadboard, Jumper Wires, Arduino, Battery, Motor Driver, IR Sensors

• Breadboard, Jumper Wires, Arduino, Motor Driver

• Breadboard, Jumper Wires, Arduino, Battery, Motor Driver

• Breadboard, Jumper Wires, Arduino, Battery

What is the correct layout for the L293D Motor Driver?

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What are motor drivers?

• devices that work due to electromagnetic interactions: the interaction of current (the flow of electrons) and a magnetic field

• a part of a device or machine that converts electricity or energy into controlled physical movements

• a magnet charged by electricity

• a current amplifier and a bridge between a microcontroller and a motor

Why do we need motor drivers to use DC motors?

• Because Arduino provides a minimum of 9V and DC motors need 5V

• Because Arduino provides a maximum of 5V and DC motors need 9V

• Because the current flowing through a circuit containing a DC motor is so unstable it needs to be controlled properly

• Because the DC Motor doesn't have enough pins for all of its functions

True or False: DC Motors have a polarity and each pin must go to its designated pin or else they will not work

• True, since DC motors have a polarity they can only be wired in one way to work

• False, although DC motors have a polarity, if you connect it in either polarity it will still work, but it will spin in different directions

• False, DC Motors do not have a polarity and if you connect them in either way it will spin the same direction regardless

• True, they have a polarity and just like any other device must be wired correctly

Which of the following lines of code moves your car forward?

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Which of the following lines of code moves your car backwards?

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