The Self Robot Obstacle Detect Path Can be found. How to make a self robot go to stepwise.
Components Used:-
- Plastic Box - Buy
- DC motor-2 -Buy
- Switch -Buy
- Ultrasonic Senser -Buy
- Servo Motor -Buy
- Castor Wheel -Buy
- Arduino -Buy
- Motor Drive - Buy
- Battery-9v -Buy
STEP(1)
STEP(2)
STEP(3)
STEP(4)
STEP(5)
Ultrasonic Sensor is Four terminal VCC, GND, Trig. , Echo.
- VCC is Connected 5v supply in Arduino.
- GND is Connected ground in Arduino.
- Trig. is Connected Analog1 in Arduino.
- Echo. is Connected Analog2 in Arduino.
STEP(6)
Servo motor is three terminal VCC, GND, a Control pin.
- VCC is Connected 5v supply in Arduino.
- GND is Connected ground in Arduino.
- Control pin is Connected Digital pin 10.
STEP(7)
Motor Drive is two motors connected output1 and output2.
- IN1 is Connected digital pin 7
- IN2 is Connected digital pin 6
- IN3 is Connected digital pin 5
- IN4 is Connected digital pin 4
STEP(8)
Project Code:-
// connect motor controller pins to Arduino digital pins
// motor one
int enA = 10;
int in1 = 9;
int in2 = 8;
// motor two
int enB = 5;
int in3 = 7;
int in4 = 6;
void setup()
{
// set all the motor control pins to outputs
pinMode(enA, OUTPUT);
pinMode(enB, OUTPUT);
pinMode(in1, OUTPUT);
pinMode(in2, OUTPUT);
pinMode(in3, OUTPUT);
pinMode(in4, OUTPUT);
}
void demoOne()
{
// this function will run the motors in both directions at a fixed speed
// turn on motor A
digitalWrite(in1, HIGH);
digitalWrite(in2, LOW);
// set speed to 200 out of possible range 0~255
analogWrite(enA, 200);
// turn on motor B
digitalWrite(in3, HIGH);
digitalWrite(in4, LOW);
// set speed to 200 out of possible range 0~255
analogWrite(enB, 200);
delay(2000);
// now change motor directions
digitalWrite(in1, LOW);
digitalWrite(in2, HIGH);
digitalWrite(in3, LOW);
digitalWrite(in4, HIGH);
delay(2000);
// now turn off motors
digitalWrite(in1, LOW);
digitalWrite(in2, LOW);
digitalWrite(in3, LOW);
digitalWrite(in4, LOW);
}
void demoTwo()
{
// this function will run the motors across the range of possible speeds
// note that maximum speed is determined by the motor itself and the operating voltage
// the PWM values sent by analogWrite() are fractions of the maximum speed possible
// by your hardware
// turn on motors
digitalWrite(in1, LOW);
digitalWrite(in2, HIGH);
digitalWrite(in3, LOW);
digitalWrite(in4, HIGH);
// accelerate from zero to maximum speed
for (int i = 0; i < 256; i++) {
analogWrite(enA, i);
analogWrite(enB, i);
delay(20);
}
// decelerate from maximum speed to zero
for (int i = 255; i > 0; --i)
{
analogWrite(enA, i);
analogWrite(enB, i);
delay(20);
}
// now turn off motors
digitalWrite(in1, LOW);
digitalWrite(in2, LOW);
digitalWrite(in3, LOW);
digitalWrite(in4, LOW);
}
void loop()
{
demoOne();
delay(1000);
demoTwo();
delay(1000);
}
