how to make speed controller for dc motor at home

1:05

2:54

2:05

6:52

1:25

1:25

7:38

4:39

4:39

4:31

3:36

10:30

3:04

3:05

8:45

5:09

3:22

10:16

4:52

6:24

14:04

10:48

9:48

2:05

5:33

10:32

2:13

8:33

10:04

10:04

2:31

10:03

4:53

10:13

4:58

5:30

6:12

9:33

10:02

5:11