[Arduino source code for KC868-A4S]-04 DO

[KinCony Support]

Code:

#include "Arduino.h"
#include "PCF8574.h"


#define A4S_SDA 4
#define A4S_SCL 16
TwoWire I2Cone = TwoWire(0);
TwoWire I2Ctwo = TwoWire(1);

PCF8574 pcf8574_RE1(&I2Cone,0x24,A4S_SDA,A4S_SCL);//DO
/*PCF8574 pcf8574_RE2(&I2Cone,0x21,A4S_SDA,A4S_SCL);//DO
PCF8574 pcf8574_IN1(&I2Ctwo,0x22,A4S_SDA,A4S_SCL);//DI
PCF8574 pcf8574_IN2(&I2Ctwo,0x24,A4S_SDA,A4S_SCL);//DI*/


void setup()
{
    Serial.begin(115200);
    pcf8574_RE1.pinMode(P0, OUTPUT);
    pcf8574_RE1.pinMode(P1, OUTPUT);
    pcf8574_RE1.pinMode(P2, OUTPUT);
    pcf8574_RE1.pinMode(P3, OUTPUT);
   
    pcf8574_RE1.pinMode(P4, INPUT);
    pcf8574_RE1.pinMode(P5, INPUT);
    pcf8574_RE1.pinMode(P6, INPUT);
    pcf8574_RE1.pinMode(P7, INPUT);
    pcf8574_RE1.begin();
}

void loop()
{
/* pcf8574_RE1.digitalWrite(P0, HIGH);delay(1000);
  pcf8574_RE1.digitalWrite(P1, HIGH);delay(1000);
  pcf8574_RE1.digitalWrite(P2, HIGH);delay(1000);
  pcf8574_RE1.digitalWrite(P3, HIGH);delay(1000);
 
  pcf8574_RE1.digitalWrite(P0, LOW);delay(1000);
  pcf8574_RE1.digitalWrite(P1, LOW);delay(1000);
  pcf8574_RE1.digitalWrite(P2, LOW);delay(1000);
  pcf8574_RE1.digitalWrite(P3, LOW);delay(1000);*/
 
  if(pcf8574_RE1.digitalRead(P4)==LOW)
  {
    Serial.println("D09 PRESSED");
    pcf8574_RE1.digitalWrite(P0, LOW);
    }else pcf8574_RE1.digitalWrite(P0, HIGH);
    delay (100);
  if(pcf8574_RE1.digitalRead(P5)==LOW)
  {
    Serial.println("D10 PRESSED");
    pcf8574_RE1.digitalWrite(P1, LOW);
    }else pcf8574_RE1.digitalWrite(P1, HIGH);
    delay (100);
  if(pcf8574_RE1.digitalRead(P6)==LOW)
  {
    Serial.println("D11 PRESSED");
    pcf8574_RE1.digitalWrite(P2, LOW);
    }else pcf8574_RE1.digitalWrite(P2, HIGH);
    delay (100);
  if(pcf8574_RE1.digitalRead(P7)==LOW)
  {
    Serial.println("D12 PRESSED");
    pcf8574_RE1.digitalWrite(P3, LOW);
    }else pcf8574_RE1.digitalWrite(P3, HIGH);
    delay (100);
  delay(20);


}