Created
January 12, 2014 17:30
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// Motor control code via http://itp.nyu.edu/physcomp/Labs/DCMotorControl | |
const int switchPin = 2; // switch input | |
const int motor1Pin = 3; // H-bridge leg 1 (pin 2, 1A) | |
const int motor2Pin = 4; // H-bridge leg 2 (pin 7, 2A) | |
const int enablePin = 9; // H-bridge enable pin | |
void setup() { | |
// set the switch as an input: | |
pinMode(switchPin, INPUT); | |
// set all the other pins you're using as outputs: | |
pinMode(motor1Pin, OUTPUT); | |
pinMode(motor2Pin, OUTPUT); | |
pinMode(enablePin, OUTPUT); | |
pinMode(ledPin, 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(motor1Pin, LOW); // set leg 1 of the H-bridge low | |
digitalWrite(motor2Pin, HIGH); // set leg 2 of the H-bridge high | |
} | |
// if the switch is low, motor will turn in the other direction: | |
else { | |
digitalWrite(motor1Pin, HIGH); // set leg 1 of the H-bridge high | |
digitalWrite(motor2Pin, LOW); // set leg 2 of the H-bridge low | |
} | |
} |
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