How does PWM work?

Related questions

1. Why PWM techniques are used?
2. Can you plug fans into PSU?
3. How many fans can you connect to a motherboard?
4. Can 4 pin fan connect to 3 pin?
5. Can I connect a 3 pin fan to a 4 pin connector?
6. Where is the chassis fan on a computer?
7. How do I connect 4 pin fan to Molex?
8. Why do we need PWM?
9. How is fan speed controlled?
10. What is a chassis fan connector?

Tags

1. #flows
2. #square
3. #works
4. #pulse
5. #below
6. #typically
7. #varying
8. #cycle
9. #signal
10. #device
11. #pulsating
12. #illustration
13. #waves
14. #control
15. #amount
16. #current
17. #signals
18. #stays