automatic staircase lighting using pic16f676 and sr04 ultrasonic sensor

PROGRAM

 #chip 16F676,0

#config MCLRE=OFF

  ;Include files (Libraries)

  #include <srf04.h>

  dir PORTc.2 out

  dir portc.4 out

  dir portc.3 out

#define US1Ping PORTc.0

#define US1Echo PORTc.1

#define checkdistance 50

Dim detect as word

set portc.2 on

wait 1 s

set portc.2 off

  Do

  set portc.4 on

  wait 50 ms

  set portc.4 off

  wait 50 ms

  set portc.4 on

  wait 50 ms

  set portc.4 off

  wait 500 ms

  match = USDistance(1)

            if match < checkDistance then

                      Set PORTc.2 On

                      wait 10 s

                       Set PORTc.2 Off

            Else

                      Set PORTc.2 Off

            end if

            Loop

HEX CODE

HOW TO HEX USE HEX CODE 

COPY THE CODE BELOW TO ANY IDE AND SAVE THIS WITH EXTENSION AS .HEX.THATS IT.DOWNLOAD THIS .HEX FILE DIRECTLY TO IC

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:100108002C08A600A901AA016920201808001130AE

:0A011800A000A00B8D287D28080030

:02400E00D43F9D

:00000001FF

CIRCUIT DIAGRAM