我有一个飞行时间传感器，可以测量我的车和车库墙壁之间的距离。我把它们和一些红色LED连接起来。如果距离小于或等于50毫米，LED就会亮起来。但我不想让LED整夜亮着。所以我试着写逻辑来创建一个计时器或其他东西来关闭LED，尽管事实上我的车仍然会触发50毫米的距离阈值。我知道它'It“这有点混乱，因为当物体〈= 50毫米时，50毫米的阈值会触发LED打开。所以，我想要的是在x秒后触发LED关闭的东西。
这是我的Arduino代码：

#include <Wire.h>
#include <VL53L0X.h>
#include <Adafruit_NeoPixel.h>

VL53L0X sensor;

Adafruit_NeoPixel strip = Adafruit_NeoPixel(8, 8, NEO_GRB + NEO_KHZ800);

unsigned int time = 5000; // 5 seconds

void setup()
{
  strip.begin();
  strip.show();
  pinMode(12, INPUT_PULLUP);
  digitalWrite(12, HIGH);  
  Serial.begin(9600);
  Wire.begin();

  sensor.init();
  sensor.setTimeout(500);

  sensor.startContinuous();

}

void loop()
{
  int distance = sensor.readRangeContinuousMillimeters();
  
  //distance = distance;
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.print("mm");

  if(sensor.timeoutOccurred()){Serial.print("TIMEOUT");}

  if(distance <= 50){

    unsigned int milliseconds = millis();
    
    colorWipe(strip.Color(255, 0, 0), 50);
    //colorWipe(strip.Color(0, 255, 0), 50);
    //colorWipe(strip.Color(0, 0, 255), 50);
    Serial.println("LED ON +++++++");

    // This is the part where I want the LEDs to turn off
    //  after x amount of seconds elapsed.

    if(milliseconds >= time){ 
      colorWipe(strip.Color(0, 0, 0), 50);
      time = 0;
    }
    
    
  }else {
    colorWipe(strip.Color(0, 0, 0), 50);
    Serial.println("LED OFF -------");
    //time = 0;
  }

  Serial.println();

}
// Fill the dots one after the other with a color
void colorWipe(uint32_t c, int wait) {
  for(int i=0; i < strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
    strip.show();
    //delay(wait);
  }
}

如果你们能帮我或者给我指出正确的方向，我将不胜感激。谢谢！