Name of Activity | Follow Hand- Ultrasonic Sensor |
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Author | Leiny Garcia and Kenny Westerman |
Keywords | Ultrasonic Sensor |
Subject | NXTs |
Grade Level | 4, 5, 6, 7, 8, 9+ |
Time | 1 Hour Total |
Brief Description | Students have to program the car robot to follow a hand or object. |
Lesson Objectives: | Introduce the Ultrasonic sensor while using prior knowledge of programming, including loops and switches. |
Materials Needed: | LEGO NXT kit Computers |
Preparation and Set Up: | 1. Distribute NXT kits and computers 2. Pair up students 3. Worksheet to brainstorm programming |
Necessary Background | Programming with switches and loops |
Procedure | 1. Introduce how the ultrasonic sensor works if needed 2. Review programming with switches and loops 3. Introduce activity. Explain that the robot needs to follow the hand. When the hand is too far, then the robot must move forward. If the hand is too close, then the robot must stop. 4. Distribute materials 5. Program and test. 6. Final Demonstration. |