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FireFighter.ino
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FireFighter.ino
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//adding libraries
#include <Servo.h>
//initialising
Servo myservo;
int pos = 0;
int motor_speed = 70;
boolean fire = false;
//defining pins
#define Front 8 // front sensor
#define Left 9 // left sensor
#define Right 10 // right sensor
#define LM1 2 // left motor
#define LM2 7 // left motor
#define RM1 4 // right motor
#define RM2 12 // right motor
#define pump 6
//setup function
void setup() {
//defining inputs and outputs
pinMode(Left, INPUT);
pinMode(Right, INPUT);
pinMode(Front, INPUT);
pinMode(LM1, OUTPUT);
pinMode(LM2, OUTPUT);
pinMode(RM1, OUTPUT);
pinMode(RM2, OUTPUT);
pinMode(pump, OUTPUT);
analogWrite(3, motor_speed);
analogWrite(5, motor_speed);
myservo.attach(11);
myservo.write(90);
}
//function to fight fire
void fight_fire() {
delay (500);
digitalWrite(LM1, HIGH);
digitalWrite(LM2, HIGH);
digitalWrite(RM1, HIGH);
digitalWrite(RM2, HIGH);
digitalWrite(pump, HIGH);
delay(500);
for (pos = 50; pos <= 130; pos += 1) {
myservo.write(pos);
delay(10);
}
for (pos = 130; pos >= 50; pos -= 1) {
myservo.write(pos);
delay(10);
}
digitalWrite(pump,LOW);
myservo.write(90);
fire=false;
}
//loop function
void loop() {
myservo.write(90);
if (digitalRead(Left) ==1 && digitalRead(Right)==1 && digitalRead(Front) ==1) {
digitalWrite(LM1, HIGH);
digitalWrite(LM2, HIGH);
digitalWrite(RM1, HIGH);
digitalWrite(RM2, HIGH);
}
else if (digitalRead(Front) ==0) {
digitalWrite(LM1, HIGH);
digitalWrite(LM2, LOW);
digitalWrite(RM1, HIGH);
digitalWrite(RM2, LOW);
fire = true;
}
else if (digitalRead(Left) ==0) {
digitalWrite(LM1, HIGH);
digitalWrite(LM2, LOW);
digitalWrite(RM1, HIGH);
digitalWrite(RM2, HIGH);
}
else if (digitalRead(Right) ==0) {
digitalWrite(LM1, HIGH);
digitalWrite(LM2, HIGH);
digitalWrite(RM1, HIGH);
digitalWrite(RM2, LOW);
}
delay(300);
while (fire == true) {
fight_fire();
}
}