Code for servo motor:
- //Gagan
- #include <Servo.h>
- int servoPin = 12;
- Servo servo;
- int angle = 0; // servo position in degrees
- void setup()
- {
- servo.attach(servoPin);
- }void loop()
- {
- // scan from 0 to 180 degrees
- for(angle = 0; angle < 180; angle++)
- {
- servo.write(angle);
- delay(15);
- }
- // now scan back from 180 to 0 degrees
- for(angle = 180; angle > 0; angle--)
- {
- servo.write(angle);
- delay(15);
- }
- }
- //Subscribe to my channel
Connect to pin no. 12
5v and gnd
Code for obstracle avoiding robot:
int trigPin = 9; // trig pin of HC-SR04
int echoPin = 10; // Echo pin of HC-SR04
int revleft4 = 4; //REVerse motion of Left motor
int fwdleft5 = 5; //ForWarD motion of Left motor
int revright6 = 6; //REVerse motion of Right motor
int fwdright7 = 7; //ForWarD motion of Right motor
long duration, distance;
void setup() {
delay(random(500,2000)); // delay for random time
Serial.begin(9600);
pinMode(revleft4, OUTPUT); // set Motor pins as output
pinMode(fwdleft5, OUTPUT);
pinMode(revright6, OUTPUT);
pinMode(fwdright7, OUTPUT);
pinMode(trigPin, OUTPUT); // set trig pin as output
pinMode(echoPin, INPUT); //set echo pin as input to capture reflected waves
}
void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH); // send waves for 10 us
delayMicroseconds(10);
duration = pulseIn(echoPin, HIGH); // receive reflected waves
distance = duration / 58.2; // convert to distance
delay(10);
// If you dont get proper movements of your robot then alter the pin numbers
if (distance > 19)
{
digitalWrite(fwdright7, HIGH); // move forward
digitalWrite(revright6, LOW);
digitalWrite(fwdleft5, HIGH);
digitalWrite(revleft4, LOW);
}
if (distance < 18)
{
digitalWrite(fwdright7, LOW); //Stop
digitalWrite(revright6, LOW);
digitalWrite(fwdleft5, LOW);
digitalWrite(revleft4, LOW);
delay(500);
digitalWrite(fwdright7, LOW); //movebackword
digitalWrite(revright6, HIGH);
digitalWrite(fwdleft5, LOW);
digitalWrite(revleft4, HIGH);
delay(500);
digitalWrite(fwdright7, LOW); //Stop
digitalWrite(revright6, LOW);
digitalWrite(fwdleft5, LOW);
digitalWrite(revleft4, LOW);
delay(100);
digitalWrite(fwdright7, HIGH);
digitalWrite(revright6, LOW);
digitalWrite(revleft4, LOW);
digitalWrite(fwdleft5, LOW);
delay(500);
}
}
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1 Comments
Good
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