run motor via ldr and pic 16f877

lamterteg · Feb 28, 2015

Hi PIC i am new begginer on pic programming

as i want to start a project named running motor via ldr with pic16f877:

when a source light light on ldr a dc motor runs

when the source shutts off the dc motor shutdown

i've already start programming using microc but i get a problem that motor is not running

code:

HTML:

void initialise(){
   TRISC=0xfe;
  TRISA=0x01;
  ADCON0=0b10000001;
  ADCON1=0;
PORTC=0;
 }
 void convert(){
  while(GO_DONE);}
 void light(){



          int lightlv =((ADRESH<<8)+ADRESL);
          if(lightlv>365)
          PORTC=1;

 }


void main() {
    initialise();
    while(1){
    convert() ;
    light();
    delay_ms(4000);}

 
}

the simulation:

aameer · Feb 28, 2015

Check with this code

Code:

unsigned int adc_value;

void main()
{
     
     TRISA=0xFF;
     ADCON1 = 0x80; // Analog channel select channel2 and channel 3
     TRISC0_bit = 0;                                // set RB0 pin as output
  
     while(1)
        {            
                  
           adc_value = ADC_Read(0);   // Get 10-bit results of AD conversion
            if(adc_value>365) 
               RC0_bit= 1;
            else
               RC0_bit= 0;       
                     

        } 
}

It is not suitable to connect DC motor directly with micro controller. Better connect with L293d h bridge driver

lamterteg · Feb 28, 2015

aameer said:

Check with this code

Code:

unsigned int adc_value;

void main()
{
     
     TRISA=0xFF;
     ADCON1 = 0x80; // Analog channel select channel2 and channel 3
     TRISC0_bit = 0;                                // set RB0 pin as output
  
     while(1)
        {            
                  
           adc_value = ADC_Read(0);   // Get 10-bit results of AD conversion
            if(adc_value>365) 
               RC0_bit= 1;
            else
               RC0_bit= 0;       
                     

        } 
}

It is not suitable to connect DC motor directly with micro controller. Better connect with L293d h bridge driver

thanks so much for the code but the motor still not running
i think that i didn't calculate the adc value(365) very well i as you said "Better connect with L293d h bridge driver".

milan.rajik · Feb 28, 2015

mikroC PRO PIC code attached. I have used PIC16F877A. PWM is used for speed control of motor. What are you trying to do ? Solar Tracking ? If yes, use stepper motor.

lamterteg · Mar 3, 2015

noit is not solar tracking it is door locker

milan.rajik · Mar 3, 2015

For door locker use solenoid bolts and not motor.

aameer · Mar 4, 2015

are you checking in Proteus or real hardware

lamterteg · Mar 25, 2015

aameer said:
are you checking in Proteus or real hardware

I am checkin with proteus

run motor via ldr and pic 16f877

lamterteg

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aameer

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