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http://pic-c.ccsinfo.com/forum/viewtopic.php?p=63318

i found a code around the same as mine.i tried it and the same thing happen.

Why if I put a for(;;) or while(1) then the hobby servo will keep on rotating the 3 diff direction without stopping?

Is there any method to make it stop? And only move if I press a button?
Thank ...

Thanx for the tip. I think my code is working now. Thanx.

thanx.
But to set the location of the servo I just need 1 pulse. Is that correct? Or do I need to constantly sending a pulse to the servo motor?

And from this http://www.servocity.com/html/how_do_ ...

#include <16F877A.h>
#use delay(clock=20000000)
#define XTAL_FREQ 20000000

#FUSES HS, NOWDT,NOPROTECT,NOLVP,NOWDT,PUT,NOBROWNOUT

#define C0 PIN_C0
#define C1 PIN_C1
#def ...

#include <16F877A.h>
#use delay(clock=20000000)
#define XTAL_FREQ 20000000

#FUSES HS, NOWDT,NOPROTECT,NOLVP,NOWDT,PUT,NOBROWNOUT

#define C0 PIN_C0
#define C1 PIN_C1
#d ...

This is a code using button to control the direction of the hobby servo motor. But the code can't be compiled. Is there anything that I did wrong with the code? Thanx a lot Smile

#include <16F877A. ...

#include <16F877A.h>
#device adc=10
#use delay(clock=20000000)
#define XTAL_FREQ 200000000

#include <flex_lcd.c>

#FUSES HS, NOWDT,NOPROTECT,NOLVP,NOWDT,PUT,BROWNOUT
#inclu ...

thank you Ttelmah

#include <16F877A.h>
#device adc=10
#use delay(clock=20000000)
#define XTAL_FREQ 200000000
#include <flex_lcd.c>

#FUSES HS, NOWDT,NOPROTECT,NOLVP ...

#include <16F877A.h>
#device adc=10
#use delay(clock=5000000)
#define XTAL_FREQ 200000000
#include <flex_lcd.c>

#FUSES HS, NOWDT,NOPROTECT,NOLVP,NOWDT,PUT,NOBROWNOUT ...

Sorry about that, I miss the part.
Thanx a lot Ttelmah Smile

#include <16F877A.h>
#device adc=10
#use delay(clock=1000000)
#define XTAL_FREQ 40000000

#FUSES XT, NOWDT,NOPROTECT,NOLVP,NOWDT,PUT,NOBROWNOUT

#define MAX_VALUE 200
#define CCW ...

Period = (256 - TMR0)*(4/fosc)*(Prescaler)

#include <16F877A.h>
#device adc=10
#use delay(clock=20000000)
#define XTAL_FREQ 200000000
#include <flex_lcd.c>

#include <stdlib.h>
#FUSES XT, NOWDT,NOPROTEC ...

It is a normal servo that can turn from -90 to +90 degree and can even stop at 0 degree (I test it with the test code for servo).

The position sensor is from ldr and it have a potentiometer inside ...