Hi,
Does anybody have an idea why this will not work?
// William Sargent
// Stepper Motor w/LEDS
int LEDS[] = {2, 3, 4, 5, 6, 7,}; //Array to define ouput pin numbers
int number;
int setspeed;
#include <Stepper.h>
const int stepsPerRevolution = 2048; // change this to fit the number of steps per revolution
int rolePerMinute = 0; // Adjustable range of 28BYJ-48 stepper is 0~17 rpm
Stepper myStepper(stepsPerRevolution, 8, 10, 9, 11); //sets outputs to be used to allow motor to spin
void setup()
// put your setup code here, to run once:
{
for (int i = 0; i < 6; i++)
{
pinMode(LEDS[i], OUTPUT); //LEDs control pins are set up as outputs
}
Serial.begin(9600); // sets baud rate for serial comms with Serial Monitor
Serial.println("Select a speed between 1 and 9:"); //displays prompt on serial monitor opening
}
void loop()
// put your main code here, to run repeatedly:
{
{
Serial.flush(); // clear and "junk" out of the serial buffer before waiting
while (Serial.available() == 0)
{
//do nothing until something enters the serial buffer
}
while (Serial.available() > 0) //read the number in the serial buffer
{
number = Serial.read() - '0'; //remove the ASCII text offset for zero: '0'
for (int i = 0; i < 6; i++)
digitalWrite(LEDS [i], LOW);
}
}
if (number >= 0 && number <= 9) // test to ensure correct value for motor speed is selected
{
if (number == 1) //if the number selected matches an 'if', the following LEDs are illuminated
{
setspeed = 1;
digitalWrite (LEDS [0], HIGH);
}
if (number == 2)
{
setspeed = 3;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
}
if (number == 3)
{
setspeed = 5;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
digitalWrite (LEDS [2], HIGH);
}
if (number == 4)
{
setspeed = 7;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
digitalWrite (LEDS [2], HIGH);
}
if (number == 5)
{
setspeed = 9;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
digitalWrite (LEDS [2], HIGH);
digitalWrite (LEDS [3], HIGH);
}
if (number == 6)
{
setspeed = 11;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
digitalWrite (LEDS [2], HIGH);
digitalWrite (LEDS [3], HIGH);
}
if (number == 7)
{
setspeed = 13;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
digitalWrite (LEDS [2], HIGH);
digitalWrite (LEDS [3], HIGH);
digitalWrite (LEDS [4], HIGH);
}
if (number == 8)
{
setspeed = 15;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
digitalWrite (LEDS [2], HIGH);
digitalWrite (LEDS [3], HIGH);
digitalWrite (LEDS [4], HIGH);
}
if (number == 9)
{
setspeed = 17;
digitalWrite (LEDS [0], HIGH);
digitalWrite (LEDS [1], HIGH);
digitalWrite (LEDS [2], HIGH);
digitalWrite (LEDS [3], HIGH);
digitalWrite (LEDS [4], HIGH);
digitalWrite (LEDS [5], HIGH);
}
Serial.print("Speed Selected:"); //display the selected speed in the serial monitor
Serial.println(number);
Serial.print("RPM:");//display the equivalent RPM in the serial monitor
Serial.println(setspeed);
myStepper.setSpeed(rolePerMinute = setspeed); //use the setspeed integer taken from 'number'
myStepper.step(stepsPerRevolution);//fixed 2048 steps to allow motor to spin
digitalWrite(8, LOW); //set the motor outputs low so the motor doesnt burn out when not asked to move
digitalWrite(9, LOW);
digitalWrite(10, LOW);
digitalWrite(11, LOW);
}
}
