Sunday, June 20, 2010

Arduino for DC MOTOR control COde

int switchPin = 2; // switch input
int motor1Pin1 = 3; // pin 2 on L293D
int motor1Pin2 = 4; // pin 7 on L293D
int enablePin = 9; // pin 1 on L293D

void setup() {
// set the switch as an input:
pinMode(switchPin, INPUT);

// set all the other pins you're using as outputs:
pinMode(motor1Pin1, OUTPUT);
pinMode(motor1Pin2, OUTPUT);
pinMode(enablePin, OUTPUT);

// set enablePin high so that motor can turn on:
digitalWrite(enablePin, HIGH);

void loop() {
// if the switch is high, motor will turn on one direction:
if (digitalRead(switchPin) == HIGH) {
digitalWrite(motor1Pin1, LOW); // set pin 2 on L293D low
digitalWrite(motor1Pin2, HIGH); // set pin 7 on L293D high
// if the switch is low, motor will turn in the opposite direction:
else {
digitalWrite(motor1Pin1, HIGH); // set pin 2 on L293D high
digitalWrite(motor1Pin2, LOW); // set pin 7 on L293D low
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