measuring water level with ultrasonic sensor

3:09

2:12

3:00

3:40

3:00

3:54

4:30

4:31

4:30

4:31

کوتاه

7:55

2:27

3:08

7:10

6:32

3:19

9:47

7:34

1:44

2:32

6:42

2:18

2:35

5:03

کوتاه

31:03

کوتاه

8:45

3:05

7:25

کوتاه

6:42

9:04

17:03

16:48

1:48

3:05

4:11

2:39