Arduino IR Array Obstacle Avoidance Vehicle

Using multiple IR sensors you can make sure your Arduino vehicle does not become stuck along a wall or obstacle.

Functional Parts in the Project:

• FeeTech FT-MC-002-SMC – https://amzn.to/2MLIzoF
  • FeeTech 2CH-SM-Controller (Motor Controller)
• Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3
• IR Sensor – https://amzn.to/2IDw7SE
• Micro Breadboard – https://amzn.to/2XbFX7w
• USB Battery Pack

#include <Servo.h>

#define lIR 5
#define rIR 6
#define fIR 7

Servo lServo;
Servo rServo;

int lObstacle;
int rObstacle;
int fObstacle;

void setup() {
  pinMode(lIR, INPUT);
  pinMode(rIR, INPUT);
  pinMode(fIR, INPUT);

  lServo.attach(8);
  rServo.attach(9);
}

void loop() {
  lObstacle = digitalRead(lIR);
  rObstacle = digitalRead(rIR);
  fObstacle = digitalRead(fIR);

  if (lObstacle == LOW) {
    lServo.write(70);
    rServo.write(110);
  }
  else if (rObstacle == LOW) {
    lServo.write(110);
    rServo.write(70);
  }
  else if (fObstacle == LOW) {
    lServo.write(80);
    rServo.write(100);
  }
  else {
    lServo.write(80);
    rServo.write(80);
  }

  delay(100);
}