Unit 03 Introduction to Labview and Lego Brick

Introduction to Labview Tutorial

1. Open Lego Mindstorm Education from your desktop

2. Startup screen known as the “Lobby” will look as follows

Menu Options: Shows

reference material,

build guides,

programming guides,

and more

3. Starting a new Project > Select File > New Project > New Program > Open

Double Click on Program Tab > Change the

name to Hear Me

4. Option 1: Adjusting Project Properties Select the Wrench Icon next to the program name

Option 2: Double Click on File name Tab (Program). This will highlight the program name to be changed

The Project name will change once the file is saved.

5. Change the Project Name to Labview Tutorial

6. Click on the Hear Me Program Tab

7. Programming Area

Making Sounds 1. Select Action (Green Tab) > Drag the Sound Action onto the work area and attach it to the

Play button. The pieces fit together like puzzle pieces. Screen should look as follows

2. Choose a sound from the Lego Sound File

Stop: no sounds

Play File: Select a saved sound file

Play Tone: Plays a tone based on

certain frequency

Play Note: Set a note from a piano

Volume

Control

0: Wait for Completion

1: Play Once

2: Endless Loop

May choose a pre saved file for sound. Click on Lego

Sound files to see some of the options

3. Attach the Brick to your PC using the USB to Micro USB cord >Press the middle button on

the Brick to turn it on > The color around the Brick buttons will turn green when it is fully

loaded. The Labview software will tell you that your Brick is connected in the lower right

corner of the screen. You may rename your Brick your team name if you would like.

4. Press Play on your screen > the sounds will come out of the speaker on your Brick. Note the

Hear Me Program is not downloaded to the Brick. To place the program on your Brick click

on the download icon located on the Brick Connection Type Menu located in the lower right

hand side of the screen

5. Once downloaded looking at your Brick press the left arrow key to navigate to the File

Folder Icon located at the top of the screen> Press middle button on the Brick to select the

Icon > Go into the Project folder > Your file Hear Me should be located there used the toggle

arrows to go to it > Press middle button to activate the sound

6. Save Project as Intro to Brick

Adding a Start and End Button It is often times desired to add a start/stop button for a program. Notice after the

sound program was run the sound occurred immediately. By adding a start/stop button

the user can control when the program is initiated.

1. Add the following two Blocks from the Flow Control Menu > Drag Wait Command and place

in the locations below > Set the Command to Brick Buttons > Compare > Brick Buttons

Download

Download and

Run

2. Set the settings below

3. Download and run the program. Notice the program will not run until the middle

button is pressed and will not end until the left button is pressed

Set to Option 2: This is equal

to the middle button on the

brick

Set to Option 1: This is equal

to the left button on the brick.

Be sure that only Option 1 is

selected

May Select more than 1 option

selected at a time.

Displaying Images to the Brick Screen

1. On Labview screen Click the + sign next to the Hear Me tab > Rename the Tab See Me

2. Select Action Tab (Green) > Drag the Display action and place next to the Green Arrow. Be sure

the two objects link together

Display Options

3. Select a saved Image > Download Program to Brick and Play image

4. The image may only appear for a split second. To leave the image on the screen longer go to the

Flow Chart (Orange Tab) > Drag Wait icon next to the display icon. Set a time of 3 seconds >

re-download and run the program

Saved File Options

X,Y Coordinates

on the Brick

Screen Display Options

Option to Clear the screen

True: Clears the screen

False : Keeps image on screen

5. On the Image Block > Change the X and Y coordinated to X =20 and Y = 30. Re download the

program and see where the image is located

6. Save Project as Intro to Brick

Combining Sounds and Images

1. Click the + sign next to See Me > Rename it Combine 1

2. Drag the follow images to show as following. Select the file type for the sound and image as

well

3. Notice how the sound comes before the image

4. Setting up the sounds and image to happen at the same time. Create a new program next

to Combine 1 > Name it Combine 2 > In the Combine 2 program screen Set the following

icons and the file types

5. Connecting the different menus. On the Play button Hold Left Mouse Button (LMB) on the

Plug end of the Play Button. As you drag notice a wire appears > Connect the plug to the

sound icon > repeat the process to connect the Image menu.

6. Download the updated program and play

7. Save Project as Intro to Brick

Loops

1. Click the + sign next to See Me > Rename it Loops

2. Flow Chart (Orange Tab) > Loop > Drag next to Start Button

Allows User to set how long

the loop will run for

3. Select Brick Buttons

4. Go to Action (Green Tab) > Drag Display Action into the loop in front of the length > Set Display

to angry eyes.

5. Run the program

6. Save Project as Intro to Brick

7. Print Screenshots of your different programs. Place printouts in the Team Folder.

Assignment: Brick Sound and Display

Directions: Write a program that will do the following.

Program: Write a story that uses the following

- Minimum 3 sounds

- Minimum 3 images

- Minimum 1 loop

- Start Button

- Time for minimum of 5 seconds

Be sure to time out your project I.E Sounds with images. May use download or

created sounds and images. Make sure your sounds and images are school

appropriate. Print a screen shot of your finished program and place it in the Course

Folder.

Selection Buttons on the Lego

Brick. 2 represents the middle

button