Hi all,
I have come up with my own flowchart [attached here] for my circuit.Since I'm newbie to electronics , i don't know what to use to do my circuit.Please help me !

I'm using DC motor.And I'm not cared about PWM and load etc..i just need to rotate my motor.
Please help me with circuit diagram !

Thanks .

Attached Files

_motor.pdf (18.7 KB, 22 views)

 

hi Again!..

From your flow chart it appears that you want to drive a motor clockwise for 5secs, stop, then drive the motor counter clockwise for 5secs. stop. is that right?

Is the motor a simple dc reversable motor or a stepper motor?

Whats the power requirement of the motor Volts/Amps etc..?

Is it driving anything?

__________________
Eric
"Good enough is Perfect"

PIC tutorials:
Gramo's: www.digital-diy.net/
Bill's: www.blueroomelectronics.com/

 

Hi,
You are exactly right !
And I'm using a simple DC reversable motor.
The voltage from PIC is 5v to drive the motor.
I wish to make a sliding door using this concept.Just a sliding door model.
I need more power for that ? A gentle sliding would be fine.

Thanks !

 

hi,
You dont need a PIC for this.

Use two 555's connected as monostables.
Trigger MS1 for 5secs fwd drive, at the end of the 5sec, it trigger the second MS2 and a 'H' bridge motor drive for rev for 5secs.

Does this help?

__________________
Eric
"Good enough is Perfect"

PIC tutorials:
Gramo's: www.digital-diy.net/
Bill's: www.blueroomelectronics.com/

 

Hi,
I need to drive my output signal from PIC to activate this motor circuit.
Can you please elaborate more now?
Thanks

 

hi,
Have you decided which PIC you are going to use and are able to write a PIC program?

Look at the attached pdf for idea's, you can replace the two relays with transistors if you wish.

The simple 'H' bridge as shown, using relays, is fool proof.

The trigger could come from your PIC or you could use two PIC pins, one for fwd one for rev.

Attached Files

JJMTR1.pdf (16.5 KB, 12 views)

__________________
Eric
"Good enough is Perfect"

PIC tutorials:
Gramo's: www.digital-diy.net/
Bill's: www.blueroomelectronics.com/

 

They are right you just need a 555/556 timer chip(s).

http://www.kpsec.freeuk.com/555timer.htm or
http://home.cogeco.ca/~rpaisley4/LM555.html

But if still want to use a PIC chip look at this site

http://f-cpu.seul.org/~nico/astromec...rick_motor.pdf or
http://www.mcmanis.com/chuck/Robotic...cts/servo.html

Do not forget to "GOOGLE" and if you do not find what you are look for just change the words around>

BEN

 

Hi Eric,
Thanks for your great help ! I'm coding my logic in PIC16f877.
I'm using Hitech C PIC compiler.
After my programming, I will post it here.if I have doubts , please help me !

Btw, i can use delay_ function inside PIC for 5 sec activation rite? then why should i need 555 timer?

 

hi,

Btw, i can use delay_ function inside PIC for 5 sec activation rite? then why should i need 555 timer?

Thats right, no 555's required, good luck with your project.

__________________
Eric
"Good enough is Perfect"

PIC tutorials:
Gramo's: www.digital-diy.net/
Bill's: www.blueroomelectronics.com/