Forums / Project Help / dc motor control with 89s52 - Rickey's World of Microcontrollers & Microprocessors

Discussion in "Project Help" started by zyrex Dec 22, 2007.

zyrex

[ Fresher ]

Sat Dec 22 2007, 05:52 am

hii... i want to program 89s52 for controlling dc motor with assembler. And i can use keybord programming for up speed, down speed, reverse etc can you help me how can i do it?

ajay_bhargav

Site Owner

Sat Dec 22 2007, 02:40 pm

use simple switches.. no need to use keypad will only make your design complex. for dc motor tutorial please check the tutorial page..
http://www.8051projects.net/microcontroller-tutorials/

shyam

[ Enthusiast ]

Sat Dec 22 2007, 07:41 pm

i wud suggest u using a DAC if u want to use keypad as u stated.........

ajay_bhargav

Site Owner

Sat Dec 22 2007, 10:44 pm

DAC will only increase the hardware

better use PWM + L293D + some keys

zyrex

[ Fresher ]

Sun Dec 23 2007, 05:34 am

thanks a lot for helping but 89s52 doesnt have pwm output. i must create pwm with programming i think... how can i do it??

ajay_bhargav

Site Owner

Sun Dec 23 2007, 11:44 am

search in forum.. you will get sample code for PWM

zyrex

[ Fresher ]

Mon Dec 24 2007, 03:49 am

i couldnt find it can you please give the link?

davethok

[ Fresher ]

Mon Dec 24 2007, 03:51 am

guys, can i use relay as a motor driver ?? here's my schematic :

[ Edited Mon Dec 24 2007, 03:54 am ]

zyrex

[ Fresher ]

Mon Dec 24 2007, 05:55 am

hi i am writing which i want to do?
control dc motor with 89s52 with software PWM as you say... and for example
a up speed
b down speed
c stop
d run
e clockwise
f anti-clockwise
g show position
note:a,b,c,d,e,f,g on pc keybord...
and i need help for writing program.
S.O.S HELLPPP MEEEEEE....

ajay_bhargav

Site Owner

Mon Dec 24 2007, 11:19 am

#10

here is sample code for PWM review it..
also take a look at somewhere in the last posts of the thread.. you will see how it is used to control DC motor..
http://www.8051projects.net/forum-t1707-10.html#post_1846