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 May choose a pre saved file for sound. Click on Lego Sound files to see some of the options Volume Control Stop: no sounds Play File: Select a saved sound file Play Tone: Plays a tone based on 0: Wait for Completion certain frequency 1: Play Once Play Note: Set a note from a piano 2: Endless Loop 2. Choose a sound from the Lego Sound File 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. Download Download and Run 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 2. Set the settings below Set to Option 2: This is equal Set to Option 1: This is equal to the middle button on the to the left button on the brick. brick Be sure that only Option 1 is selected May Select more than 1 option selected at a time. 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 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 Saved File Options Display Options Option to Clear the screen True: Clears the screen False : Keeps image on screen X,Y Coordinates on the Brick Display Options Screen 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 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 Selection Buttons on the Lego Brick. 2 represents the middle button 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. .