What is the use of PWM pins in Arduino?

Related questions

1. How fast is Arduino PWM?
2. Can you power Arduino with a 9v battery?
3. Can Arduino control motors?
4. Is Arduino Nano same as Uno?
5. What is the advantage of Arduino?
6. Why PWM is used in DC motor?
7. Can I power Arduino with 9v battery?
8. What is the main function of Arduino Uno?
9. Can I power Arduino with 12v?
10. How do I connect my Arduino Nano to power?

Tags

1. #inputs
2. #digital
3. #desired
4. #servo
5. #analog
6. #anything
7. #pulse
8. #modulation
9. #stepper
10. #motor
11. #signal
12. #output
13. #convert
14. #which
15. #brightness
16. #technique
17. #giving
18. #require
19. #stands
20. #width
21. #varying