Summary
This is only the Arduino sketch for the tutorial "Arduino - Control ESC/Motor Tutorial". This is a tutorial of how to control an electronic speed control (ESC)and brushless motor using an Arduino.
/*
* This code is in the public domain.
* (Do whatever you want with it.)
*/
// Need the Servo library
#include <Servo.h>
// This is our motor.
Servo myMotor;
// This is the final output
// written to the motor.
String incomingString;
// Set everything up
void setup()
{
// Put the motor to Arduino pin #9
myMotor.attach(9);
// Required for I/O from Serial monitor
Serial.begin(9600);
// Print a startup message
Serial.println("initializing");
}
void loop()
{
// If there is incoming value
if(Serial.available() > 0)
{
// read the value
char ch = Serial.read();
/*
* If ch isn't a newline
* (linefeed) character,
* we will add the character
* to the incomingString
*/
if (ch != 10){
// Print out the value received
// so that we can see what is
// happening
Serial.print("I have received: ");
Serial.print(ch, DEC);
Serial.print('\n');
// Add the character to
// the incomingString
incomingString += ch;
}
// received a newline (linefeed) character
// this means we are done making a string
else
{
// print the incoming string
Serial.println("I am printing the entire string");
Serial.println(incomingString);
// Convert the string to an integer
int val = incomingString.toInt();
// print the integer
Serial.println("Printing the value: ");
Serial.println(val);
/*
* We only want to write an integer between
* 0 and 180 to the motor.
*/
if (val > -1 && val < 181)
{
// Print confirmation that the
// value is between 0 and 180
Serial.println("Value is between 0 and 180");
// Write to Servo
myMotor.write(val);
}
// The value is not between 0 and 180.
// We do not want write this value to
// the motor.
else
{
Serial.println("Value is NOT between 0 and 180");
// IT'S a TRAP!
Serial.println("Error with the input");
}
// Reset the value of the incomingString
incomingString = "";
}
}
}
