Code for Bluetooth Orion Explorer 1 Tutorial

bluetooth_remote.ino

#include "SoftwareSerial.h"
#include "TurtleMotors.h"

//Define the devices
Motor motor_left = {10, 8, 9};
Motor motor_right = {3, 4, 5};
TurtleMotors motors = {motor_left, motor_right, 255, 100};
SoftwareSerial mySerial(11, 12); // RX, TX

void setup() {
  mySerial.begin(9600);
  motors.setup();
}

unsigned long timeout = 0;

void loop() {
  if(mySerial.available()) {
    char data = (char)mySerial.read();
    timeout = millis() + 1000;
    switch(data) {
      case 'w': 
        motors.forward(0);
        break;
      case 's': 
        motors.backward(0);
        break;
      case 'a': 
        motors.turnLeft(0);
        break;
      case 'd':
        motors.turnRight(0);
        break;
      default:
        motors.stop();
        break;
    }
  }
  else {
    if (millis() > timeout) {
      motors.stop();
    }
  }
}

bluetooth_remote.psuedo

void setup() {

  setup software serial
  setup motors
}

void loop() {
  if there is data on the serial port {
    reset timeout
    read it
    when the data is {
      'w' : go forward
      's' : go backwards
      'a' : go left,
      'd' : go right,
      ' ' : stop,
    }
  }
  else if (timed out) {
    stop
  }
}