STEM Resources

Pet Car Alarm System for TI-84 Plus CE OS 5.3

Pet Car Alarm System for TI-84 Plus CE OS 5.3

Texas Instruments Inc.

Topic: BiologyComputer ScienceSTEM


Pets suffer when left unattended in a car on a sunny day. Understand the science behind the greenhouse effect. Use math, computer programming and engineering to design a pet-smart alarm system.

Save a Pet

Design a car alarm system that protects pets from overheating.

Students create a system to measure temperature and the presence of a magnetic field to trigger an alarm.

 Greenhouse Effect

Homeostasis of mammals

Temperature scale conversion

Multiple inputs / outputs

Feedback and Control system

Coding concepts:


  Conditional Statements



Project Resources

Download Teacher Document PDF link  Word Doc  link

Download Student Document PDF link  Word Doc  link

Download Zipped file of TI-84 Plus CE .8XP program files for all project challenges link

Download TI-84 Plus CE .8XP program file for the final challenge link




Display Image of sun rays striking automobile link

Display Table of internal auto temperatures vs. time link

Display Image of example Pet Car Alarm Project  link

Display Image of TI-Innovator Hub set-up diagram for Pet Car Alarm Project link



Learn to do the project yourself

Download Learn to do the project PDF link



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Contact with questions or comments.


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