[Arduino source code for KC868-1U]-02_INPUT

[KinCony Support]

[Arduino source code for KC868-1U]-02_INPUT

Code:

/*KC868-1U Digital input code*/
#include "Arduino.h"
#include "PCF8574.h"

// Set i2c address
PCF8574 pcf8574_IN1(0x22,4,16);

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

pcf8574_IN1.pinMode(P0, INPUT);
pcf8574_IN1.pinMode(P1, INPUT);
pcf8574_IN1.pinMode(P2, INPUT);
pcf8574_IN1.pinMode(P3, INPUT);
pcf8574_IN1.pinMode(P4, INPUT);
pcf8574_IN1.pinMode(P5, INPUT);
pcf8574_IN1.pinMode(P6, INPUT);
pcf8574_IN1.pinMode(P7, INPUT);

    pcf8574_IN1.begin();


}

void loop()
{
uint8_t val1 = pcf8574_IN1.digitalRead(P0);
uint8_t val2 = pcf8574_IN1.digitalRead(P1);
uint8_t val3 = pcf8574_IN1.digitalRead(P2);
uint8_t val4 = pcf8574_IN1.digitalRead(P3);
uint8_t val5 = pcf8574_IN1.digitalRead(P4);
uint8_t val6 = pcf8574_IN1.digitalRead(P5);
uint8_t val7 = pcf8574_IN1.digitalRead(P6);
uint8_t val8 = pcf8574_IN1.digitalRead(P7);
 
if (val1==LOW) Serial.println("KEY1 PRESSED");
if (val2==LOW) Serial.println("KEY2 PRESSED");
if (val3==LOW) Serial.println("KEY3 PRESSED");
if (val4==LOW) Serial.println("KEY4 PRESSED");
if (val5==LOW) Serial.println("KEY5 PRESSED");
if (val6==LOW) Serial.println("KEY6 PRESSED");
if (val7==LOW) Serial.println("KEY7 PRESSED");
if (val8==LOW) Serial.println("KEY8 PRESSED");

    delay(300);
}