[Arduino IDE demo source code for KC868-A8S]--#07-KC868-A8S_PCF8574-Digital output_code
Code:
/*KC868-A8S PCF8574 Digital output code*/
#include "Arduino.h"
#include "PCF8574.h"
// Set i2c address
PCF8574 pcf8574(0x24,4,5);
void setup()
{
Serial.begin(115200);
// delay(1000);
// Set pinMode to OUTPUT
pcf8574.pinMode(P0, OUTPUT);
pcf8574.pinMode(P1, OUTPUT);
pcf8574.pinMode(P2, OUTPUT);
pcf8574.pinMode(P3, OUTPUT);
pcf8574.pinMode(P4, OUTPUT);
pcf8574.pinMode(P5, OUTPUT);
pcf8574.pinMode(P6, OUTPUT);
pcf8574.pinMode(P7, OUTPUT);
pcf8574.begin();
}
void loop()
{
pcf8574.digitalWrite(P0, HIGH); delay(300);
pcf8574.digitalWrite(P1, HIGH); delay(300);
pcf8574.digitalWrite(P2, HIGH); delay(300);
pcf8574.digitalWrite(P3, HIGH); delay(300);
pcf8574.digitalWrite(P4, HIGH); delay(300);
pcf8574.digitalWrite(P5, HIGH); delay(300);
pcf8574.digitalWrite(P6, HIGH); delay(300);
pcf8574.digitalWrite(P7, HIGH); delay(300);
pcf8574.digitalWrite(P0, LOW); delay(300);
pcf8574.digitalWrite(P1, LOW); delay(300);
pcf8574.digitalWrite(P2, LOW); delay(300);
pcf8574.digitalWrite(P3, LOW); delay(300);
pcf8574.digitalWrite(P4, LOW); delay(300);
pcf8574.digitalWrite(P5, LOW); delay(300);
pcf8574.digitalWrite(P6, LOW); delay(300);
pcf8574.digitalWrite(P7, LOW); delay(300);
}