Download Ultrasonic Sensor Ev3 Macbook Pro

 



The ultrasonic sensor for Lego Mindstorms EV3 robots emits ultrasonic waves and listens to their reflection on objects from the environment. It compute the distance from the time spent between emission and reception. The ultrasonic sensor for Lego Mindstorms EV3 is very useful for mobile robots that need to detect obstacle to navigate between them or for robots that have to detect the presence. A good repair shop will use ultrasonic cleaning machines or powerful solvents to clean the components thoroughly. Do not turn it back on. As noted earlier, when water and electrical currents within your MacBook meet, they can be destructive. Keep the laptop off until it’s dry. Do not shake the MacBook.

This example shows how to connect an Apple iOS device to a LEGO® MINDSTROMS® EV3

Introduction

Apple iOS devices provide wireless access and a user interface. LEGO MINDSTORMS EV3 is a programmable robotics construction set. The EV3 Brick is a programmable intelligent brick that acts as the brain of your robot, controls motors and sensors, and also provides wireless communication through Wi-Fi and Bluetooth. Using these two, you can, for example, control an EV3 robot using an iPhone, iPod or iPad by connecting them wirelessly.

This example provides two Simulink models,

  • In the iOS model, the value selected using the Slider is sent to the EV3. Data received from the EV3 is shown on the Apple iOS device screen.

  • In the EV3 model, data received from the Apple iOS device is displayed on the EV3 and used to control the status light. The press state of the Up button on the EV3 is sent to the Apple iOS device.

With these models, you will:

  • Set up a network connection between an Apple iOS device and an EV3.

  • Configure and run a Simulink model for Apple iOS device to send and receive TCP/IP packets from the EV3.

  • Configure and run a Simulink model for EV3 to receive and send TCP/IP packets to the Apple iOS device.

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Prerequisites

  • Download and Install Simulink Support Package for Apple iOS Devices (required)

  • Download and Install Simulink Support Package for LEGO MINDSTORMS EV3 (required)

  • Complete the Getting Started with Apple iOS Devices example.(recommended)

  • Complete the Getting Started with LEGO MINDSTORMS EV3 Hardware example.(recommended)

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Required Hardware

Task 1 - Configure Network Connection

Download input device for macbook air. Set up a network connection between an Apple iOS device and an EV3. The communication protocol used in this example is TCP/IP.

1. Connect your Apple iOS device to your Wi-Fi network.

2. Check Settings > Wi-Fi to find the IP address of your Apple iOS device.

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3. Plug EV3 Wi-Fi Dongle into EV3 Host USB Port.

4. On the EV3 screen, navigate to Settings > Wi-Fi.

5. Enable Wi-Fi, and search and connect to the same Wi-Fi network to which Apple iOS device is connected.

6. Navigate to Settings > Brick Info. Find the IP address under IP address.

Task 2 - Configure and Run Models on Apple iOS Device and LEGO MINDSTORMS EV3

1. Open the iOS model.

2. Double-click the TCP/IP Send block and change the Remote address to the IP Address of the EV3 brick.

3. Open the LEGO MINDSTORMS EV3 model.

4. Double-click the TCP/IP Send block and change the Remote address to the IP address of the Apple iOS device.

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5. In the iOS model, click Deploy to Hardware button of iOS model to run this model on your Apple iOS device.

6. In the EV3 model, click Deploy to Hardware to run this model on your EV3 hardware.

7. On the Apple iOS device, change the Slider value to control the status light on the EV3.

8. On the EV3 hardware, click the Up button. The state of the button displays on the Apple iOS device.

For more information on configuring Simulink models on Apple iOS devices and EV3 Hardware, refer to Run Models on Apple iOS Devices and Run Models on EV3 Hardware.

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Other Things to Try

  • On the EV3 model, change the Button block to left, right, and center. Instead of the Slider block, use the Location block and try sending location data from the Apple iOS device to EV3.

  • Complete the Control LEGO MINDSTORMS EV3 Robot Using Apple iOS Device example.

Summary

This example showed you how to:

  • Wirelessly connect an Android smartphone to an EV3 using TCP/IP.

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  • Remotely control the status light on the EV3 using the Android Slider block.