Hello
I m trying to make a 4wheel robot , bluetooth controlled
When I use cable USB I can control the robot via the app (bluetooth) but when I deplug the cable I cant control it
So I think the code isn't uploaded on the arduino (even though I get no error when uploading my code)
Any help is welcomed
The code I use :
char t;
void setup() {
pinMode(13,OUTPUT); //left motors forward
pinMode(12,OUTPUT); //left motors reverse
pinMode(11,OUTPUT); //right motors forward
pinMode(10,OUTPUT); //right motors reverse
Serial.begin(9600);
}
void loop() {
if(Serial.available()){
t = Serial.read();
Serial.println(t);
}
if(t == '1'){ //move forward(all motors rotate in forward direction)
digitalWrite(13,HIGH);
digitalWrite(12,LOW);
digitalWrite(11,HIGH);
digitalWrite(10,LOW);
}
else if(t == '2'){ //move reverse (all motors rotate in reverse direction)
digitalWrite(13,LOW);
digitalWrite(12,HIGH);
digitalWrite(11,LOW);
digitalWrite(10,HIGH);
}
else if(t == '3'){ //turn right (left side motors rotate in forward direction, right side motors doesn't rotate)
digitalWrite(13,LOW);
digitalWrite(12,LOW);
digitalWrite(11,HIGH);
digitalWrite(10,LOW);
}
else if(t == '4'){ //turn left (right side motors rotate in forward direction, left side motors doesn't rotate)
digitalWrite(13,HIGH);
digitalWrite(12,LOW);
digitalWrite(11,LOW);
digitalWrite(10,LOW);
}
else if(t == '5'){ //STOP (all motors stop)
digitalWrite(13,LOW);
digitalWrite(12,LOW);
digitalWrite(11,LOW);
digitalWrite(10,LOW);
}
delay(100);
}