Controlling Servos with Arduino | Arduino Robotic Projects

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Arduino Robotic Projects

By : Richard Grimmett

4.3 (10)

Arduino Robotic Projects

4.3 (10)

By: Richard Grimmett

Overview of this book

Arduino Robotic Projects

Arduino Robotic Projects

Credits

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

Powering on Arduino

Powering on Arduino

Selecting the right Arduino board

Powering up Arduino

Summary

Getting Started with the Arduino IDE

Getting Started with the Arduino IDE

Using a Windows machine to develop with Arduino

Running the IDE for Uno

Running the IDE for Mega

Running the IDE for the Adafruit FLORA

Using a Mac to develop using Arduino

Summary

Simple Programming Concepts Using the Arduino IDE

Simple Programming Concepts Using the Arduino IDE

Creating, editing, and saving files on Arduino

Basic C programming on Arduino

Basic programming constructs on Arduino

Summary

Accessing the GPIO Pins

Accessing the GPIO Pins

The GPIO capability of Arduino

The first external hardware connection

The Arduino IDE and LED code

Summary

Working with Displays

Working with Displays

A simple serial display

Enabling the serial display in the IDE

Connecting a display using the SPI interface

Enabling the SPI display in the IDE

An LCD shield

Enabling the LCD display in the IDE

Summary

Controlling DC Motors

Controlling DC Motors

The basics of DC motor

Connecting a DC motor directly to Arduino

Connecting a DC motor using an H-bridge and Arduino

Controlling the DC motor using a shield

The Arduino code for the DC motor shield

Summary

Controlling Servos with Arduino

Controlling Servos with Arduino

The basics of a servo motor

Connecting a servo motor directly to Arduino

Controlling the servos with a program

Connecting a servo motor shield to Arduino

Controlling the servo motor shield with a program

Summary

Avoiding Obstacles Using Sensors

Avoiding Obstacles Using Sensors

An overview of the sensors

Connecting a sonar sensor to Arduino

Accessing the sonar sensor from the Arduino IDE

Connecting an IR sensor to Arduino

Accessing the IR sensor from the Arduino IDE

Creating a scanning sensor platform

Summary

Even More Useful Sensors

Even More Useful Sensors

Connecting a digital compass to Arduino

Accessing the compass from the Arduino IDE

Connecting an accelerometer/gyro to Arduino

Accessing the accelerometer from the Arduino IDE

Connecting an altimeter/pressure sensor to Arduino

Accessing the altimeter/pressure sensor from the Arduino IDE

Summary

Going Truly Mobile – the Remote Control of Your Robot

Going Truly Mobile – the Remote Control of Your Robot

Connecting a simple RF interface to Arduino

Enabling a simple RF interface in the Arduino IDE

Connecting an XBee interface to Arduino

Enabling an XBee interface in the Arduino IDE

Connecting a Bluetooth shield to Arduino

Connecting a Wi-Fi shield to Arduino

Enabling the Wi-Fi shield in the Arduino IDE

Connecting a GSM/GPRS shield to Arduino

Summary

Using a GPS Device with Arduino

Using a GPS Device with Arduino

GPS tutorial

Connecting a GPS device directly to Arduino

Accessing the GPS device from the Arduino IDE

Connecting a GPS shield to Arduino

Accessing the GPS shield from the Arduino IDE

Summary

Taking Your Robot to Sea

Taking Your Robot to Sea

Building an automated sailing platform

Building an Arduino-powered underwater ROV

Summary

Robots That Can Fly

Robots That Can Fly

Building an Arduino-operated plane

Building a quadcopter platform

Summary

Small Projects with Arduino

Small Projects with Arduino

Small robots and Arduino

Wearable Arduino projects

Summary

Index

Index

Customer Reviews

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Controlling the servos with a program

Now that the hardware is connected, you'll need to supply the control signal to make your servos move. To control your servo, bring up the Arduino IDE. Make sure that the proper Arduino and port are chosen. Then enter the lines of code as shown in the following screenshot:

This code uses the Servo library that is installed with the standard Arduino IDE. The three sections of code that you'll need to understand are as follows:

The global variables servo, servoPin, and angle are used by the program. The Servo data type adds a set of functions so that you can control your servo. This includes the servo.attach(servoPin) and servo.write(angle) functions, which you will use in this program to send the servo to a specific angle. To find out all the different functions that are available, visit http://arduino.cc/en/reference/servo.
The setup() function connects the servo functionality to the proper pin and then initializes the serial port.
The loop() function reads...

Visually different images

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Tech Concepts

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Programming languages

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