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ESP8266 Robotics Projects

ESP8266 Robotics Projects

By : Seneviratne
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ESP8266 Robotics Projects

ESP8266 Robotics Projects

By: Seneviratne

Overview of this book

The ESP8266 Wi-Fi module is a self-contained SOC with an integrated TCP/IP protocol stack and can give any microcontroller access to your Wi-Fi network. It has a powerful processing and storage capability and also supports application hosting and Wi-Fi networking. This book is all about robotics projects based on the original ESP8266 microcontroller board and some variants of ESP8266 boards. It starts by showing all the necessary things that you need to build your development environment with basic hardware and software components. The book uses the original ESP8266 board and some variants such as the Adafruit HUZZAH ESP8266 and the Adafruit Feather HUZZAH ESP8266 . You will learn how to use different type of chassis kits, motors, motor drivers, power supplies, distribution boards, sensors, and actuators to build robotics projects that can be controlled via Wi-Fi. In addition, you will learn how to use line sensors, the ArduiCam, Wii Remote, wheel encoders, and the Gripper kit to build more specialized robots. By the end of this book, you will have built a Wi-Fi control robot using ESP8266.
Table of Contents (9 chapters)
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Creating a Blynk app


You will need a Blynk app to control the robot with a Joystick widget. You can use the Blynk app you built in Chapter 1Getting Ready and use the same Auth Token for the Arduino UNO sketch.

However, first make sure that the following things are correctly configured in your app:

  • The OUTPUT of the joystick should be set to the MERGE mode (Figure 4.6). In the MERGE mode, the joystick sends one message, consisting of an array of values, to the microcontroller hardware so that you can parse the values on the hardware:

Figure 4.6: Setting the OUTPUT to MERGE mode

  • MERGE mode can be used with virtual pins only. Use the virtual pin V1. This will allow the joystick widget to write to pin V1 (Figure 4.7):

Figure 4.7: Selecting the virtual pin V1

  • ROTATE ON TILT should be ON for the joystick to automatically rotate if you use your smartphone in landscape orientation (Figure 4.8).
  • AUTORETURN should be OFF. When it is ON, the joystick handle will return to its center position after you release...

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