【Sensor series program】-#01-Arduino code of KC868-A6 and Hall Sensor

Code:
/*【Sensor series program】Arduino code of KC868-A6 and Hall Sensor*/

/*When the Hall sensor is triggered, Turn on relay 1; Otherwise turn off relay1*/

#include "Wire.h"

#include"PCF8574.h"



PCF8574 pcf8574_RE(0x24,4,15);

int rawValue;



void setup(){



  pinMode(32,INPUT);

  Serial.begin(115200);

  pcf8574_RE.pinMode(P0,OUTPUT);

  pcf8574_RE.pinMode(P1,OUTPUT);

  pcf8574_RE.pinMode(P2,OUTPUT);

  pcf8574_RE.pinMode(P3,OUTPUT);

  pcf8574_RE.pinMode(P4,OUTPUT);

  pcf8574_RE.pinMode(P5,OUTPUT);

  pcf8574_RE.begin();

  for(int i=0;i<6;i++)

  {

   pcf8574_RE.digitalWrite(i,HIGH);

  }

}



void loop(){

  rawValue=analogRead(32);

  Serial.println(rawValue);

  if(rawValue==0)

  {

      

      pcf8574_RE.digitalWrite(P0,LOW);

  } 

  else {

      pcf8574_RE.digitalWrite(P0,HIGH); 

  }

 }