i want to control the dc motor using AT89c51 Microcontroller rated voltage is 24V and using PWM. for final year project temperature controller by using dc motor fan. for that i am using 8051 microcontoller plz help me

 

i want to control the dc motor using AT89c51 Microcontroller rated voltage is 24V and using PWM. for final year project temperature controller by using dc motor fan. for that i am using 8051 microcontoller plz help me

... And what is it you need help with?

 

http://grietinfo.in/projects/MINI/E...OF A DC MOTOR USING MICRO CONTROLLER 8051.pdf

 

... And what is it you need help with?

control the dc motor 24V rated voltage using pwm c code

 

Surely there's lots of online examples of C code for PWM? Have you tried googling for it?

 

control the dc motor 24V rated voltage using pwm c code

Have you found how to generate PWM with your controller?

Have you specified a driver for your motor? If so, what?

How do you plan to connect everything?