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[Arduino source code for KC868-A16S]-02 PCF8574-OUTPUT
#1
Code:
#include "Arduino.h"
#include "PCF8574.h"

// Set i2c address
PCF8574 pcf8574_1(0x24,4,5);
PCF8574 pcf8574_2(0x25,4,5);

void setup()
{
  Serial.begin(115200);
//  delay(1000);

  // Set pinMode to OUTPUT
  pcf8574_1.pinMode(P0, OUTPUT);
  pcf8574_1.pinMode(P1, OUTPUT);
  pcf8574_1.pinMode(P2, OUTPUT);
  pcf8574_1.pinMode(P3, OUTPUT);
  pcf8574_1.pinMode(P4, OUTPUT);
  pcf8574_1.pinMode(P5, OUTPUT);
  pcf8574_1.pinMode(P6, OUTPUT);
  pcf8574_1.pinMode(P7, OUTPUT);

  pcf8574_2.pinMode(P0, OUTPUT);
  pcf8574_2.pinMode(P1, OUTPUT);
  pcf8574_2.pinMode(P2, OUTPUT);
  pcf8574_2.pinMode(P3, OUTPUT);
  pcf8574_2.pinMode(P4, OUTPUT);
  pcf8574_2.pinMode(P5, OUTPUT);
  pcf8574_2.pinMode(P6, OUTPUT);
  pcf8574_2.pinMode(P7, OUTPUT);


  Serial.print("Init pcf8574_1...");
  if (pcf8574_1.begin()){
    Serial.println("PCF8574_1_OK");
  }else{
    Serial.println("PCF8574_1_KO");
  }

  Serial.print("Init pcf8574_2...");
  if (pcf8574_2.begin()){
    Serial.println("PCF8574_2_OK");
  }else{
    Serial.println("PCF8574_2_KO");
  }


}

void loop()
{
  for(int i=0;i<=7;i++)
  {
    pcf8574_1.digitalWrite(i, LOW);
    delay(500);
  }
  for(int j=0;j<=7;j++)
  {
    pcf8574_2.digitalWrite(j,LOW);
    delay(500);
  }
for(int i=0;i<=7;i++)
  {
    pcf8574_1.digitalWrite(i, HIGH);
    delay(500);
  }
  for(int j=0;j<=7;j++)
  {
    pcf8574_2.digitalWrite(j,HIGH);
    delay(500);
  }
 
}
[Arduino source code for KC868-A16S]-02 PCF8574-OUTPUT


Attached Files
.zip   A16S_RELAY_OUT.zip (Size: 717 bytes / Downloads: 208)
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[Arduino source code for KC868-A16S]-02 PCF8574-OUTPUT - by KinCony Support - 04-14-2023, 02:45 AM

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