Lesson2.docx - LEGO Mindstorms Class Lesson 2 Build A Mindstorms Vehicle 5 Minute Bot(Copied from http\/www.nxtprograms.com\/five_minute_bot\/steps.html We

Lesson2.docx - LEGO Mindstorms Class Lesson 2 Build A...

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LEGO Mindstorms Class: Lesson 2 Build A Mindstorms Vehicle - 5 Minute Bot: (Copied from ) We will build a 3-wheeled robot vehicle with two motorized wheels, and an extra wheel that can pivot, called a "caster". It is possible to build a robot with 4 or 6 wheels, or with treads, like a tank, but the 3-wheeled robot is the easiest to program, so that's what we'll use. A robot with a caster generally runs best on very smooth, flat surfaces, so that the caster can glide easily. For rougher surfaces, 4 wheels or treads may work better. Follow the steps below to build the robot vehicle. Step 1: Attaching Wheels to the Motors 1
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Step 2: Attaching Angled Beams to the Motors Step 3: Adding Wheels and Motors to the Bot 2
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Step 4: The Attachment Bar 3
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Step 5: The Caster 4
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Step 6 - The Wiring : Use two medium length (35 cm) wires to connect the motors to ports B and C on the NXT. Make sure that the motor on each side is connected to the port on that side. That's it! You made a robotic vehicle! 5
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Making the Robot Move: Move Block vs. Motor Block To make the motors turn, we can either use the Move Block or the Motor Block. There are several differences between the two blocks, but the biggest is that the Move block can control one, two, or three motors at one time, while the Motor block can only control one motor at a time. The Motor block allows you to control the motor in more detail, but for driving, you usually want to have at least two motors running two wheels at the same time. This is why we'll stick with the Move block to drive our robot. The Move Block The Move block controls one, two or three motors simultaneously. Look at the settings for the move block. Let's figure out what each one does: Port : This tells the Move block which of the A, B and C ports are connected to motors to control Direction : This determines whether the wheels turn forwards or backwards.
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  • Spring '19
  • rwewe
  • Automobile, Move Block

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