I am design a system with DC motor.I need to control the speed of the motor from 0.2 RPM to 300 RPM correctly.
Who knows the rontine that write for MCS-51 serial microcontroller and finished control the DC motor's speed with PWM.(the PWM is made with the Timer)?

can you send the routine to me or give me some help about it?

however,thank you vedry much!

I am looking forward to your respond urgently.

my E-mail address: sumz@jefferson.cc.jl.cn

Thank you again !

Best!

Sum zhang