car move

//#include <Servo.h>
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)

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)
}
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);  //左轮不动
  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);  //右电机不动
  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 loop() {
  delay(2000);     //延时2s后启动
  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_right(20);  //向右旋转2s
  spin_left(20);   //向左旋转2s
  brake(5);        //停车
}