Arduino 蜂鸣器+按键+旋钮 编程代码
求解Arduino 蜂鸣器+按键+旋钮 (自学)
根据图片的布线编写代码
按下按键，旋转旋钮播放不同响声，松开按键声音停止，同时旋转旋钮无效。
感恩感恩
int Left_motor_go=8; //左电机前进(IN1)
int Left_motor_back=9; //左电机后退(IN2)
int Right_motor_go=10; // 右电机前进(IN3)
int Right_motor_back=11; // 右电机后退(IN4)
int key=7;//定义按键 数字7 接口
int beep=12;//定义蜂鸣器 数字12 接口
void setup()
{
//初始化电机驱动IO为输出方式
pinMode(Left_motor_go,OUTPUT); // PIN 8 (PWM)
pinMode(Left_motor_back,OUTPUT); // PIN 9 (PWM)
pinMode(Right_motor_go,OUTPUT);// PIN 10 (PWM)
pinMode(Right_motor_back,OUTPUT);// PIN 11 (PWM)
pinMode(key,INPUT);//定义按键接口为输入接口
pinMode(beep,OUTPUT);
}
void run(int time) // 前进
{
digitalWrite(Right_motor_go,HIGH); // 右电机前进
digitalWrite(Right_motor_back,LOW);
analogWrite(Right_motor_go,200);//PWM比例0~255调速，左右轮差异略增减
analogWrite(Right_motor_back,0);
digitalWrite(Left_motor_go,LOW); // 左电机前进
digitalWrite(Left_motor_back,HIGH);
analogWrite(Left_motor_go,0);//PWM比例0~255调速，左右轮差异略增减
analogWrite(Left_motor_back,200);
delay(time * 100); //执行时间，可以调整
}
void brake(int time) //刹车，停车
{
digitalWrite(Right_motor_go,LOW);
digitalWrite(Right_motor_back,LOW);
digitalWrite(Left_motor_go,LOW);
digitalWrite(Left_motor_back,LOW);
delay(time * 100);//执行时间，可以调整
}
void left(int time) //左转(左轮不动，右轮前进)
{
digitalWrite(Right_motor_go,HIGH); // 右电机前进
digitalWrite(Right_motor_back,LOW);
analogWrite(Right_motor_go,200);
analogWrite(Right_motor_back,0);//PWM比例0~255调速
digitalWrite(Left_motor_go,LOW); //左轮后退
digitalWrite(Left_motor_back,LOW);
analogWrite(Left_motor_go,0);
analogWrite(Left_motor_back,0);//PWM比例0~255调速
delay(time * 100); //执行时间，可以调整
}
void spin_left(int time) //左转(左轮后退，右轮前进)
{
digitalWrite(Right_motor_go,HIGH); // 右电机前进
digitalWrite(Right_motor_back,LOW);
analogWrite(Right_motor_go,200);
analogWrite(Right_motor_back,0);//PWM比例0~255调速
digitalWrite(Left_motor_go,HIGH); //左轮后退
digitalWrite(Left_motor_back,LOW);
analogWrite(Left_motor_go,200);
analogWrite(Left_motor_back,0);//PWM比例0~255调速
delay(time * 100); //执行时间，可以调整
}
void right(int time) //右转(右轮不动，左轮前进)
{
digitalWrite(Right_motor_go,LOW); //右电机后退
digitalWrite(Right_motor_back,LOW);
analogWrite(Right_motor_go,0);
analogWrite(Right_motor_back,0);//PWM比例0~255调速
digitalWrite(Left_motor_go,LOW);//左电机前进
digitalWrite(Left_motor_back,HIGH);
analogWrite(Left_motor_go,0);
analogWrite(Left_motor_back,200);//PWM比例0~255调速
delay(time * 100); //执行时间，可以调整
}
void spin_right(int time) //右转(右轮后退，左轮前进)
{
digitalWrite(Right_motor_go,LOW); //右电机后退
digitalWrite(Right_motor_back,HIGH);
analogWrite(Right_motor_go,0);
analogWrite(Right_motor_back,200);//PWM比例0~255调速
digitalWrite(Left_motor_go,LOW);//左电机前进
digitalWrite(Left_motor_back,HIGH);
analogWrite(Left_motor_go,0);
analogWrite(Left_motor_back,200);//PWM比例0~255调速
delay(time * 100); //执行时间，可以调整
}
void back(int time) //后退
{
digitalWrite(Right_motor_go,LOW); //右轮后退
digitalWrite(Right_motor_back,HIGH);
analogWrite(Right_motor_go,0);
analogWrite(Right_motor_back,150);//PWM比例0~255调速
digitalWrite(Left_motor_go,HIGH); //左轮后退
digitalWrite(Left_motor_back,LOW);
analogWrite(Left_motor_go,150);
analogWrite(Left_motor_back,0);//PWM比例0~255调速
delay(time * 100); //执行时间，可以调整
}
void keysacn()
{
int val;
val=digitalRead(key);//读取数字7 口电平值赋给val
while(!digitalRead(key))//当按键没被按下时，一直循环
{
val=digitalRead(key);//此句可省略，可让循环跑空
}
while(digitalRead(key))//当按键被按下时
{
delay(10); //延时10ms
val=digitalRead(key);//读取数字7 口电平值赋给val
if(val==HIGH) //第二次判断按键是否被按下
{
digitalWrite(beep,HIGH); //蜂鸣器响
while(!digitalRead(key)) //判断按键是否被松开
digitalWrite(beep,LOW); //蜂鸣器停止
}
else
digitalWrite(beep,LOW);//蜂鸣器停止
}
}
void loop()
{
keysacn(); //调用按键扫描函数
back(10); //后退1s
brake(5); //停止0.5s
run(10);//前进1s
brake(5); //停止0.5s
left(10);//向左转1s
right(10);//向右转1s
spin_left(20);//向左旋转2s
spin_right(20);//向右旋转2s
brake(5); //停车
}
这个不好搞。。