What are LEGO EV3 sensors?

2018-07-30
Kids playing with EV3 Robot That makes learn about technology easy and enjoyable

Robotics have been the focus of human passion, especially since the end of 20th century and into the beginning of 21st century. Scientists have realized the importance of robots and robotics, which has led to a burst of developments in that field.


LEGO can be considered one of the most important sponsors for robotics. The company had worked hard for ten years to meet the goal of creating robots that are accessible from both an educational and a financial perspective. The first result of that work was the MINDSTORMS educational robot.


Many versions of the LEGO MINDSTORMS robot have been developed. The latest one is the EV3 robot, which aims to turn kids' minds towards creative methods. The goal is to make it easy and enjoyable to learn about technology no matter where in the world you are.


EV3 is a LEGO package assembled from small, colorful pieces that mount on top of one another to create a robot. The robot package includes various sensors and moving parts that can be combined in a few ways to create different shapes for different robot styles. Kids can use this opportunity to learn new skills that promote many powerful capabilities.

The EV3 has several mechanical sensors, including:

  • Touch sensor:
  • The robot can recognize touches and define three cases: pressing, releasing, or bumping.

  • Ultrasonic distance sensor:
  • This sensor uses ultrasonic waves to detect the distances from the sensor to the opposite surface against which the waves crash. The EV3 can detect objects up to a maximum of 255 cm or 100 in away. You can select whether the distance is given in centimeters or inches.

  • Color sensor:
  • The color sensor gives the robot a sense of color. It can detect seven colors, and can even identify the intensity of ambient or reflected light.

  • Infrared sensor:
  • This sensor recognizes objects and measures the distance from the robot as long as the object is located within 50-70 cm of the robot. The sensor comes with an infrared beacon, and can function within two meters of the beacon.

  • Gyro sensor:
  • The gyro sensor can measure the robot’s movement and changes to its position. It can also measuring angles and help the robot balance.


RoboGarden can use any or all of these sensors through the RoboFellow app, all while the user learns by playing with the demos. Download RoboFellow for free from the Google Play Store for Android Nougat and later versions, or from the Apple Store for iOS 9.0 and above. With RoboFellow learning will be more enjoyable as it is accomplished through play.


Source:

Technology trends RoboFellow

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