查看“(SKU:ARD030300)L298P Shield直流马达驱动”的源代码

[[image:L298P Shield直流马达驱动.jpg|thumb|right|400px|L298P Shield直流马达驱动]]



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==产品参数==

*尺寸：65*55mm
*重量：25g
*逻辑电压：5V
*端口：数字
*驱动方式：双路H桥
*驱动电压：7-12V （7-18V单独供电）
*驱动电流：<2A
*平台：Arduino

==产品特性==
*全新原装正品L298P芯片
*双出输出，电流最大2A
*高速肖特续流基二极管，性能稳定
*4IO控制两路马达转向、调速，节省IO
*管脚完全兼容Arduino UNO R3
*适用于智能机器人小车的电机驱动
*可配合我店的MR2智能小车平台使用

==使用教程==
<font color="#FF7F50">注意：Vin6.5V-12V供电时连接跳线帽，超过12V供电'''拔掉'''跳线帽，此时Arduino需要单独供电</font><br />
*[[File:L298P Shield直流马达驱动LINE.jpg|600px|]]

===样例代码===
<pre style="color:blue">
//This motor shield use Pin 6,9,7,4 to control the motor
// Simply connect your motors to M1+,M1-,M2+,M2-
// Upload the code to Arduino/Roboduino
// Through serial monitor, type 'a','s', 'w','d','x' to control the motor

int EN1 = 6;  
int EN2 = 9;  //Roboduino Motor shield uses Pin 9
int IN1 = 7;
int IN2 = 4; //Latest version use pin 4 instead of pin 8
 


void Motor1(int pwm, boolean reverse)
        {
          analogWrite(EN1,pwm); //set pwm control, 0 for stop, and 255 for maximum speed
         if(reverse)
         { 
          digitalWrite(IN1,HIGH);    
         }
        else
        {
          digitalWrite(IN1,LOW);    
         }
        }  
        
void Motor2(int pwm, boolean reverse)
        {
          analogWrite(EN2,pwm);
         if(reverse)
         { 
          digitalWrite(IN2,HIGH);    
         }
        else
        {
          digitalWrite(IN2,LOW);    
         }
        }  
       
void setup() 
{ 
    int i;
    
    for(i=4;i<=7;i++)  //For Arduino Motor Shield
    pinMode(i, OUTPUT);  //set pin 4,5,6,7 to output mode

    Serial.begin(9600);   
} 


void loop() 
{ 
  int x,delay_en;
  char val;
  while(1)
  {
    val = Serial.read();
    if(val!=-1)
       {
          switch(val)
           {
             case 'w'://Move ahead
                        Motor1(100,true);  //You can change the speed, such as Motor(50,true)
                        Motor2(100,true);
                      
                         break;
             case 'x'://move back
                        Motor1(100,false);
                        Motor2(100,false);
                         break;
             case 'a'://turn left
                        Motor1(100,false);
                        Motor2(100,true);
                         break;       
             case 'd'://turn right
                        Motor1(100,true);
                        Motor2(100,false);
                        break;   
               case 's'://stop
                        Motor1(0,false);
                        Motor2(0,false);
                         break;
                                  
           }     
        
       }
           
  }                           
}
</pre>

==引脚分配图==
{|border="1" cellspacing="0" align="center" cellpadding="5" width="600px"
!style="background:#7dc2f5"|Pin
!style="background:#7dc2f5"|Function
|-
|align="center"|Digital 4
|align="center"|Motor 2 转向控制，高电平正转，低电平反转
|-
|align="center"|Digital 5
|align="center"|Motor 2 PWM调速控制，范围0-255,0电机停转，255电机最大速度
|-
|align="center"|Digital 6
|align="center"|Motor 1 PWM调速控制，范围0-255,0电机停转，255电机最大速度
|-
|align="center"|Digital 7
|align="center"|Motor 1 转向控制，高电平正转，低电平反转
|}


==更多==
[YWRobot产品资料下载]
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