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代碼

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#include
SoftwareSerial bt(10,11); // assigning 10 as RX ans 11 as TX 
#define motor_left 5
#define motor_right 3
#define motor_right_dir 2
#define motor_left_dir 4
void setup() {
 pinMode(2,OUTPUT);
 pinMode(3,OUTPUT);
 pinMode(4,OUTPUT);
 pinMode(5,OUTPUT);
 while(!Serial){;} // waiting for serial communication to setup
 bt.begin(9600); // beginning the bluetooth connection
}
void loop() {
 bt.listen(); // listening to the bluetooth
 while(bt.available()) // till we are receiving the input continue in the loop
 {
     char ch = bt.read();  // reading one character at a time
     if(ch=='f'){          // action to be performed if input is 'f'
       digitalWrite(motor_left_dir,HIGH);
       digitalWrite(motor_right_dir,HIGH);
       analogWrite(motor_left,150);
       analogWrite(motor_right,150);
     }
     else if(ch == 'b'){       // action to be performed if input is 'b'
       digitalWrite(motor_left_dir,LOW);
       digitalWrite(motor_right_dir,LOW);
       analogWrite(motor_left,150);
       analogWrite(motor_right,150);
     }
     else if(ch == 'l'){       // action to be performed if input is 'l'
       digitalWrite(motor_left_dir,HIGH);
       digitalWrite(motor_right_dir,HIGH);
       analogWrite(motor_left,0);
       analogWrite(motor_right,120);
     }
     else if(ch == 'r'){     // action to be performed if input is 'r'
       digitalWrite(motor_left_dir,HIGH);
       digitalWrite(motor_right_dir,HIGH);
       analogWrite(motor_left,120);
       analogWrite(motor_right,0); 
     }
     else if(ch =='s'){  // action to be performed if input is 's'
       digitalWrite(motor_left_dir,HIGH);
       digitalWrite(motor_right_dir,HIGH);
       analogWrite(motor_left,0);
       analogWrite(motor_right,0); 
     }
 }
} 

電路組裝

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用于藍牙控制的 Arduino 機器人汽車的電路組件

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