exit status 1
'trigPin' was not declared in this scope
This is the message that keeps popping up in my code, not sure how to fix it. Any help would be appreciated - Ill attach the code below.
#define trigPin2
#define echoPin 3
int m11=4;
int m12=5;
int m21=6;
int m22=7;
void setup()
{
pinMode(m11,OUTPUT);
pinMode(m12,OUTPUT);
pinMode(m21,OUTPUT);
pinMode(m22,OUTPUT);
pinMode(trigPin,OUTPUT);
pinMode(echoPin,INPUT);
}
void loop()
{
int duration,distance;
digitalWrite(trigPin,HIGH);
delayMicroseconds(1000);
digitalWrite(trigPin,LOW);
duration=pulseIn(echoPin,HIGH);
distance=(duration/2)/29.1;
if(distance>=40)
}
digitalWrite(m11,LOW);
digitalWrite(m12,LOW);
digitalWrite(m21,LOW);
digitalWrite(m22,LOW);
delay(500);
}
else
{
if(distance>=25)
{
digitalWrite(m11,HIGH);
digitalWrite(m12,LOW);
digitalWrite(m21,HIGH);
digitalWrite(m22,LOW);
delay(400);
}
else
{
digitalWrite(m11,LOW);
digitalWrite(m12,HIGH);
digitalWrite(m21,LOW);
digitalWrite(m22,HIGH);
delay(400);
}
}
}
}