蓝牙arduino小车

原创

孔汤姆1 2019-04-03 08:55:07 ©著作权

文章标签 ARDUINO git 串口数据 文章分类 OpenStack 云计算

©著作权归作者所有：来自51CTO博客作者孔汤姆1的原创作品，请联系作者获取转载授权，否则将追究法律责任

本人刚刚入门arduino 制作了一个非常简陋的蓝牙小车

主要有hc-05蓝牙串口模块带动小车运行

材料有 hc-05蓝牙串口

小车底盘轮胎以及电机

l298n模块

arduino uno r3

杜邦线

四节五号电池

材料的连接

hc-05蓝牙串口与arduino uno r3的连接

l298n模块与arduino uno r3的连接

四节五号电池与l298n模块连接

arduino uno r3与电源连接

代码

int leftMotor1 = 4;
 int leftMotor2 = 5;
 int rightMotor1 = 6;
 int rightMotor2 = 7;void setup() {
   // put your setup code here, to run once:
   Serial.begin(9600);
  
   pinMode(leftMotor1, OUTPUT);
   pinMode(leftMotor2, OUTPUT);
   pinMode(rightMotor1, OUTPUT);
   pinMode(rightMotor2, OUTPUT);
 }void loop() {
   // put your main code here, to run repeatedly:
   //usart read
   if(Serial.available()>0)
   {  char cmd;
     cmd = Serial.read();//读取蓝牙模块发送到串口的数据
   
     Serial.print(cmd);
  
    
    motorRun(cmd);  } 
 }
 void motorRun(char cmd)
 {
   switch(cmd){
     case 49:
       Serial.println("FORWARD"); //输出状态
       digitalWrite(leftMotor1, HIGH);
       digitalWrite(leftMotor2, LOW);
       digitalWrite(rightMotor1, HIGH);
       digitalWrite(rightMotor2, LOW);
       delay(1000);
       break;
      case 50:
       Serial.println("BACKWARD"); //输出状态
       digitalWrite(leftMotor1, LOW);
       digitalWrite(leftMotor2, HIGH);
       digitalWrite(rightMotor1, LOW);
       digitalWrite(rightMotor2, HIGH);
       delay(1000);
       break;
      case 51:
       Serial.println("TURN  LEFT"); //输出状态
       digitalWrite(leftMotor1, HIGH);
       digitalWrite(leftMotor2, LOW);
       digitalWrite(rightMotor1, LOW);
       digitalWrite(rightMotor2, HIGH);
      
       break;
      case 52
      :
       Serial.println("TURN  RIGHT"); //输出状态
       digitalWrite(leftMotor1, LOW);
       digitalWrite(leftMotor2, HIGH);
       digitalWrite(rightMotor1, HIGH);
       digitalWrite(rightMotor2, LOW);
     
       break;
      default:
       Serial.println("STOP"); //输出状态
       digitalWrite(leftMotor1, LOW);
       digitalWrite(leftMotor2, LOW);
       digitalWrite(rightMotor1, LOW);
       digitalWrite(rightMotor2, LOW);
       delay(1000 );
   }
 }