Sonic motion detector data is stored in lists

Collected data is stored in lists L1, L6, L7, and L8 in EasyData

When the CBR 2™ motion detector collects data, it automatically transfers it to the calculator and stores the data in lists. Each time you exit the EasyData App, you are reminded of where the data is stored.

0L1 contains time data.

0L6 contains distance data.

0L7 contains velocity data.

0L8 contains acceleration data.

For example, the 5th element in list L1 represents the time when the 5th data point was collected, and the 5th element in list L6 represents the distance of the 5th data point.

Collected data is stored in lists L1, L2, L3, L4 in RANGER

RANGER also stores collected data in lists. These are:

0L1 contains time data.

0L2 contains distance data.

0L3 contains velocity data.

0L4 contains acceleration data.

Using the data lists

The lists are not deleted when you exit the EasyData application or RANGER program. Thus, they are available for additional graphical, statistical, and numerical explorations and analyses.

You can plot the lists against each other, display them in the list editor, use regression analysis, and perform other analytical activities. For example, you could collect data from a student walking away from the CBR 2™ motion detector. Then using the TI-84 Plus calculator manual-fit linear regression, you could have students find a line of best fit.

36 GETTING STARTED WITH THE CBR 2™ SONIC MOTION DETECTOR

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Texas Instruments CBR 2 manual Sonic motion detector data is stored in lists, Using the data lists

CBR 2 specifications

Texas Instruments has long been a prominent player in the field of educational technology, and the CBR 2 (Calculator-Based Ranger 2) is a testament to their commitment to enhancing the learning experience, particularly in the realms of mathematics and science. Designed to complement graphing calculators, the CBR 2 is a versatile data-collection device that empowers students and educators to explore real-world phenomena through hands-on experimentation.

One of the main features of the CBR 2 is its ability to capture a wide array of data through various sensors. The device is equipped with an array of built-in sensors that can measure motion, including speed and distance. This makes it an invaluable tool for physics experiments, allowing students to visualize concepts such as speed, acceleration, and trajectory.

The CBR 2 utilizes ultrasonic technology to detect distance through sound waves. This feature enables students to conduct experiments that demonstrate principles of sound and motion in a tangible way. With a range of up to 6 meters, the CBR 2 provides accurate and reliable measurements that can be graphically represented using compatible Texas Instruments graphing calculators.

The device is highly user-friendly, with simple interfaces that allow users to easily collect and analyze data. The integration with graphing calculators simplifies the process of data visualization, enabling students to create graphs in real time as they conduct experiments. This capability is particularly beneficial in encouraging interactive learning and fostering a deeper understanding of scientific principles.

The CBR 2 is designed to be portable and durable, making it suitable for classroom settings as well as outdoor experiments. Its compact size and lightweight construction ensure that it can be easily transported, allowing educators to take learning beyond the confines of the classroom.

The CBR 2 also supports various modes of data collection, including Event Mode, which allows users to trigger data collection based on specific events. This feature is useful in demonstrating concepts such as projectile motion and collisions, providing students with hands-on experience that enhances their learning.

In summary, Texas Instruments' CBR 2 is a powerful educational tool that enables students to collect, analyze, and visualize data in an engaging manner. With its built-in sensors, ultrasonic technology, and seamless integration with graphing calculators, the CBR 2 stands out as a versatile device that enriches the educational experience. It not only provides a platform for conducting experiments but also cultivates critical thinking skills and a deeper understanding of scientific concepts, preparing students for a future in STEM fields.