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pir pic code


/*
 * Project name:
MOTION SENSOR
 * Copyright
     (c) Researchdesignlab.com
 * Test configuration:
     MCU:             PIC16F877A
     Dev.Board:       PIC
     Oscillator:      20.0 MHz
     Software:  mikroC PRO for PIC v 4.6

*/



// LCD module connections
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RB0_bit;
sbit LCD_D5 at RB1_bit;
sbit LCD_D6 at RB2_bit;
sbit LCD_D7 at RB3_bit;

sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;
// End LCD module connections

sbit MOTION at RC0_bit;                 // IR sensor is connected to RC0 pin

void main() {


  Lcd_Init();                        // Initialize LCD

  Lcd_Cmd(_LCD_CLEAR);               // Clear display
  Lcd_Cmd(_LCD_CURSOR_OFF);          // Cursor off

  TRISC0_bit=1;

  while(1)
  {
   if(MOTION==1)
   {
   Lcd_Cmd(_LCD_CLEAR);              // Clear display
   Lcd_Out(1, 3, "SENSOR HIGH");        // Write text "IR HIGH" on Lcd starting from row 1, column 3:
   Delay_ms(500);                   // delay of 500ms
   }

   else
   {
   Lcd_Cmd(_LCD_CLEAR);              // Clear display
   Lcd_Out(1, 3, "SENSOR LOW");        // Write text "IR LOW" on Lcd starting from row 1, column 3:
   Delay_ms(500);                   // delay of 500ms
   }
  }

}

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