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PAGE 44 Teacher Notes for use with Set 9795 SECTION 5 INTERMEDIATE AND ADVANCED IDEAS USING INVESTIGATOR PILOT AND INVENTOR The Fire Alarm Learning Objectives Students will: Write a program to make an input control an output using Inventor Level 4. Also in the program, capture data from a temperature sensor over time. Graph the temperature sensor data. Write a report about their project, describing the results. Discussion In the example program below, the temperature sensor is checked with a Temperature Fork.The Land and Jump icons loop so the sensor checks continue until the light sensor is activated. To gather data, first initialize the sensor and remember to modify it with the correct port number. Here the light sensor is using the default setting of port 1 so it does not need a modifier. However, the temperature sensor icons need to be modified with the port 3 modifiers. Inventor level programming is preferred here because it allows users to include the Music icons and program their own alarm sounds. See the Doorbell activity in Section 4 for details about using the Piano Player. For more information about the Investigator software, see the book Getting Started 2: Teacher’s Guide for ROBOLAB 2.0 Software. ACTIVITY 3
1 2 3 4 5 6 7 8 9 10 11 12 13 SECTION 5 INTERMEDIATE AND ADVANCED IDEAS USING INVESTIGATOR PILOT AND INVENTOR ACTIVITY 4 The Garage Door and Angle Sensor Copymaster for use with 9795 You are going to create an automatic garage door that uses an angle sensor to control the distance the door opens and closes. Using the Investigator software, you can track the angle sensor data, view the results, and write a description of what happened. Add the angle sensor to the house model as shown on page 22 of the Building Booklet. Make sure you attach the light sensor to port 1, the angle sensor to port 3, the lamp to port A and the motor to port C. Load the ROBOLAB software. Select Investigator. Click on New Project to create a new project file with your own file name. Select Program Level 5. Program the RCX to collect the light and angle sensor data. Remember to initialize each sensor first and modify them for the correct port.You should also set the angle sensor to zero. Use the Start Logging and Stop Logging icons to control the data collection in the program. ? Now program the garage door to open after the light sensor is activated, then pause and close. Use the angle sensor input to stop the motor the correct distance.The angle sensor fork is helpful here. Download the program and try it! When you are satisfied that your program works, upload the collected data. Upload your data. Select a separate bin for the light sensor and angle sensor data. Click on View to see all the data. Select the latest data bin to view just that information. Go to the Journal page. Select Describe Page. Write a description explaining how your program works and the data results. PAGE 45
Page 1: 2009795 ® LEGO MINDSTORMS F O R S
Page 4 and 5: CONTENTS Table of Contents Section
Page 6 and 7: PAGE 4 Materials Overview 9795 Inte
Page 8 and 9: PAGE 6 Scope and Sequence KNOWLEDGE
Page 10 and 11: PAGE 8 Assessment Ideas For ongoing
Page 12 and 13: PAGE 10 Teacher Notes for use with
Page 14 and 15: PAGE 12 Copymaster for use with 979
Page 30 and 31: PAGE 28 8 9 10 ACTIVITY 1 SECTION 4
Page 32 and 33: PAGE 30 1 2 3 4 5 6 7 8 9 10 ACTIVI
Page 34 and 35: PAGE 32 1 2 3 4 5 6 ACTIVITY 3 SECT
Page 36 and 37: PAGE 34 1 2 3 4 5 6 7 ACTIVITY 4 SE
Page 38 and 39: PAGE 36 1 2 3 4 5 ACTIVITY 1 SECTIO
Page 40 and 41: PAGE 38 11 12 13 14 15 16 17 Copyma
Page 50 and 51: PAGE 48 SECTION 6 Key Subject Areas
Page 52 and 53: 1 2 3 1 PAGE 50 SECTION 6 ACTIVITY
Page 54 and 55: PAGE 52 SECTION 6 STUDENT JOB SHEET
Page 56 and 57: PAGE 54 SECTION 6 STUDENT JOB SHEET
Page 58 and 59: 1 2 PAGE 56 SECTION 6 STUDENT JOB S
Page 60 and 61: PAGE 58 SECTION 7 9795 PARTS INVENT

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