i can't get my motor to run with this code everything was fine but after i put the Bluetooth code on and my motor won't work
#define HC01 Serial3
int a1=43;
int a2=52;
int sp1=8;
int b1=41;
int b2=53;
int sp2=9;
int i=0;
void setup()
{
delay(1000);
Serial.begin(9600);
HC01.begin(9600);
Serial.write("\n Start \n");
pinMode(31,INPUT);
pinMode(a1,OUTPUT);
pinMode(a2,OUTPUT);
pinMode(sp1,OUTPUT);
pinMode(b1,OUTPUT);
pinMode(b2,OUTPUT);
pinMode(sp2,OUTPUT);
}
void loop()
{
if(HC01.available())
{
char data = HC01.read();
Serial.write(data);
HC01.write(data);
if (i==1){
digitalWrite(a1,HIGH);
digitalWrite(a2,HIGH);
analogWrite(sp1,200);
digitalWrite(b1,LOW);
digitalWrite(b2,LOW);
analogWrite(sp2,200);
delay(300);
}
if (i==2) {
digitalWrite(a1,LOW);
digitalWrite(a2,LOW);
digitalWrite(sp2,200);
digitalWrite(sp1,200);
digitalWrite(b1,HIGH);
digitalWrite(b2,HIGH);
}
}
}