#include <Servo.h>Servo myservo;const int trig = 11; const int echo = 10; const int led = 3; void setup() { pinMode(trig, OUTPUT); pinMode(led, OUTPUT); pinMode(echo, INPUT); Serial.begin(9600); myservo.attach(9); } void loop() { digitalWrite(trig, LOW); delayMicroseconds(2); digitalWrite(trig,HIGH); delayMicroseconds(10); digitalWrite(trig, LOW); long duration = pulseIn(echo,HIGH); int distance = duration/58; if (distance >= 2 && distance <=400){ analogWrite(led,map(distance,2,400,255,0)); } else if(distance < 2) { analogWrite(led,255); } else{ analogWrite(led,0); } int angle = map(distance,2,400,15,165); myservo.write(angle); delay(10); Serial.print(distance); Serial.print("cm"); delay(100); }如何让舵机自由在15度和165度之间转动不受distance的干涉

要让舵机自由在15度和165度之间转动不受距离(distance)的干涉，可以将舵机的控制语句放在距离判断语句之前，这样无论距离是多少，都不会影响舵机的转动。以下是修改后的代码：

#include <Servo.h>
Servo myservo;
const int trig = 11;
const int echo = 10;
const int led = 3;

void setup() {
  pinMode(trig, OUTPUT);
  pinMode(led, OUTPUT);
  pinMode(echo, INPUT);
  Serial.begin(9600);
  myservo.attach(9);
}

void loop() {
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig,HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  long duration = pulseIn(echo,HIGH);
  int distance = duration/58;
  
  int angle = map(distance,2,400,15,165);
  myservo.write(angle);
  delay(10);
  
  if (distance >= 2 && distance <=400){
    analogWrite(led,map(distance,2,400,255,0));
  }
  else if(distance < 2)   {
    analogWrite(led,255);
  }
  else{
    analogWrite(led,0);
  }
  
  Serial.print(distance);
  Serial.print("cm");
  delay(100);
}

这样就可以实现距离检测和舵机转动的功能，而且舵机的转动不受距离的干涉。