/*
SparkFun Tinker Kit
Example sketch 9
SparkFun Motor Driver
Use the SparkFun Motor Driver to control the speed and directi
on of a motor
This sketch was written by SparkFun Electronics,
with lots of help from the Arduino community.
This code is completely free for any use.
Visit http://learn.sparkfun.com/products/2 for SIK informatio
n.
Visit http://www.arduino.cc to learn more about Arduino.
*/
//define the two direction logic pins and the speed / PWM pin
const int DIR_A = 5;
const int DIR_B = 4;
const int PWM = 6;
void setup()
{
//set all pins as output
pinMode(DIR_A, OUTPUT);
pinMode(DIR_B, OUTPUT);
pinMode(PWM, OUTPUT);
}
void loop()
{
//drive forward at full speed by pulling DIR_A High
//and DIR_B low, while writing a full 255 to PWM to
//control speed
digitalWrite(DIR_A, HIGH);
digitalWrite(DIR_B, LOW);
analogWrite(PWM, 255);
//wait 1 second
delay(1000);
//Brake the motor by pulling both direction pins to
//the same state (in this case LOW). PWM doesn't matter
//in a brake situation, but set as 0.
digitalWrite(DIR_A, LOW);
digitalWrite(DIR_B, LOW);
analogWrite(PWM, 0);
//wait 1 second
delay(1000);
//change direction to reverse by flipping the states
//of the direction pins from their forward state
digitalWrite(DIR_A, LOW);
digitalWrite(DIR_B, HIGH);
analogWrite(PWM, 150);
//wait 1 second
delay(1000);
//Brake again
digitalWrite(DIR_A, LOW);
digitalWrite(DIR_B, LOW);
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