Pressure Plate, a Lego Mindstorms EV3 pressure plate robot

A nice little robot that can tell if there is anything on top of it. It only uses one touch sensor. The idea of the robot is to be used in classes with students to explore different interesting security options. This robot in particular could detect when the object placed on it gets "stollen". Have you ever watched Indiana Jones? :)

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#644
09 Feb 2019

To construct this you will need

LEGO Mindstorms EV3 45544 Education Core
LEGO Mindstorms EV3 45560 Education Resource

Bill of materials (Parts list)

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Courses and lessons with this Material

This Material is used in the following courses and lessons

Robotics with LEGO - Level 3.0 - Security systems

This is the fifth level of the Robotics with LEGO curriculum for students in fifth to twelfth grades.

In this level students will learn how to work with data measured by the sensors. The concept of Algorithm is introduced and the programs perform calculations without knowing the values beforehand. The programming blocks transfer data between each other via data wires. The robots are designed to address the problems of security systems. Variety of alarm systems are built and the physical principles of different security methods are considered.

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Lesson 1 - Smart security plates

Introduction: Museum Security

Did you know that some pieces of art, for example statuettes, have a really high price, sometimes reaching millions of dollars/euros? This is one of the main reasons why such pieces of art are so tempting for robbers. In order to prevent them from being stolen, various alarm systems for museums and galleries have been developed over the years. Nevertheless, when one has a clear goal, one becomes exclusively crafty, especially when talking about robbers. In this lesson we are going to focus on various security devices and the ways robbers can be caught/ hacked. Will we manage to come up with the most secure system?

Today we are going to build security devices for a museum with highly valuable exhibits. The aim of our robots will be to detect whether there is an intruder in the museum hall and whether the exhibit is on its stand. For the purposes of our lesson, we are going to use a mobile phone or the robot’s brick as an exhibit.

Later, we are going to use the already programmed stand to play Indiana Jones and try to steal the valuable statuette without being detected. Then, we will move to something more practical – namely, we’ll try to automate a store.