led oscilloscope with lm3914 ne555 cd4017

6:15

5:56

4:38

5:40

00:07

6:46

00:14

14:45

5:00

6:11

3:43

4:32

3:47

9:20

10:13

9:01

7:12

8:15

5:03

8:19

15:01

4:12

8:27

2:16

6:01

9:33

10:28

1:31

56:28

5:20

00:16

1:13

10:31

4:29

1:09

2:46

00:53

2:12

9:44

00:33

9:52

2:25

2:34

2:24

5:23

12:31

2:29

11:49

00:17

3:16

00:53

00:53

9:16

2:26

00:27

10:40

00:15

5:11

8:02

7:45