Auto-aiming system whith timer

Projects General Guidance
1

trying to modify my auto aiming system for fan that will turn off after 10 seconds passed, i tried this code, but servo continue running instead of rotating on 90 degrees and stop. What did I do wrong?

if (b == 3) {
      previousMillis = currentMillis;
      digitalWrite(6, HIGH);
      delayMicroseconds(10);
      digitalWrite(6, LOW);
      duration = pulseIn(5, HIGH);
      distance = duration * 0.034 / 2;
      
      if (distance > 100 && currentMillis - previousMillis <= interval) {
        
        if (q > 0 && w == 0) {
          q-=5;
          myservo.write(q);
          delay(10);
          if (q == 0) {
            w = 1;
          }
        } else if (q < 180 && w == 1) {
          q+=5;
          myservo.write(q);
          delay(10);
          if (q == 180) {
            w = 0;
          }
        } else if(distance >100 && currentMillis - previousMillis >= interval){
          digitalWrite(3, LOW);
          myservo.write(90);
        }
      }
    }
2

PS: system works that way: if see obstacle, than do nothing, if doesn't see, then for 10 seconds it seeking, rotating servo right-left direction and if after 10 seconds it haven't found obstacle, then servo on 90 degrees, and fan off.

3

what do you think currentMillis - previousMillis will be when you do this?

otherwise Don't post snippets (Snippets R Us!)

4

Целый код просто большой
но если нужно больше информации, то вот необходимая часть
unsigned long previousMillis = 0;

const long interval = 10000;

5

?? use English in the general categories in the forum. There are also specific categories for other languages

6

robot0889
5mpost #4
The whole code is just too big
If you need more information, then this will be enough for understanding
unsigned long previousMillis = 0;

const long interval = 10000;

7

OK I guess my first answer is enough to explain then.

for the rest, as we say, the crystal ball is still in the dishwasher

ball1
ball11024×1024 167 KB

1 Like
8

Your topic has been moved; you have been asked before NOT to post in "Uncategorized".

9

What is the task of the sketch in real life?

10

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