在arduino uno中通过两个L298N驱动四个电机通过蓝牙实现差速转弯的代码
时间: 2024-06-10 07:08:28 浏览: 8
可以提供如下代码:
```
//定义引脚
const int motorLA = 9;
const int motorLB = 10;
const int motorRA = 6;
const int motorRB = 5;
//定义蓝牙模块相关
SoftwareSerial bt(2, 3);//接收用2,发送用3
char input = ' ';//串口接收数据
void setup() {
//设置引脚模式输出
pinMode(motorLA, OUTPUT);
pinMode(motorLB, OUTPUT);
pinMode(motorRA, OUTPUT);
pinMode(motorRB, OUTPUT);
//设置蓝牙模块波特率
bt.begin(9600);
}
void loop() {
//接收蓝牙模块传来的指令
if (bt.available()) {
input = bt.read();
}
//设置电机转动方向及速度,实现差速转弯
if (input == 'w') {
forward();
}
else if (input == 's') {
backward();
}
else if (input == 'a') {
left();
}
else if (input == 'd') {
right();
}
else if (input == 'x') {
brake();
}
}
void forward() {
digitalWrite(motorLA, HIGH);
digitalWrite(motorLB, LOW);
digitalWrite(motorRA, HIGH);
digitalWrite(motorRB, LOW);
}
void backward() {
digitalWrite(motorLA, LOW);
digitalWrite(motorLB, HIGH);
digitalWrite(motorRA, LOW);
digitalWrite(motorRB, HIGH);
}
void left() {
digitalWrite(motorLA, LOW);
digitalWrite(motorLB, HIGH);
digitalWrite(motorRA, HIGH);
digitalWrite(motorRB, LOW);
}
void right() {
digitalWrite(motorLA, HIGH);
digitalWrite(motorLB, LOW);
digitalWrite(motorRA, LOW);
digitalWrite(motorRB, HIGH);
}
void brake() {
digitalWrite(motorLA, LOW);
digitalWrite(motorLB, LOW);
digitalWrite(motorRA, LOW);
digitalWrite(motorRB, LOW);
}
```
希望这可以对你有所帮助!
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