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[Arduino IDE demo source code for KC868-A8]--#03-ADC INPUT - Printable Version

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[Arduino IDE demo source code for KC868-A8]--#03-ADC INPUT - KinCony Support - 01-05-2022

Code 2: //The demo code is ADC INPUT    You can copy the code to your Arduino IDE
Code:
#include "Arduino.h"
#include "PCF8574.h"          //install library "PCF8574 library"

#define ANALOG_A1   34        // IO34   Board: V1.4 
#define ANALOG_A2   35        // IO35   Board: V1.4

byte out_arr[8] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
// Set i2c address
//TwoWire my_def
PCF8574 pcf8574_input(0x22);

PCF8574 pcf8574_output(0x24);

byte value = 0;

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

  pinMode(ANALOG_A1,INPUT);
  pinMode(ANALOG_A2,INPUT);


    // Set pinMode to OUTPUT
  pcf8574_output.pinMode(P0, OUTPUT);
  pcf8574_output.pinMode(P1, OUTPUT);
  pcf8574_output.pinMode(P2, OUTPUT);
  pcf8574_output.pinMode(P3, OUTPUT);
  pcf8574_output.pinMode(P4, OUTPUT);
  pcf8574_output.pinMode(P5, OUTPUT);
  pcf8574_output.pinMode(P6, OUTPUT);
  pcf8574_output.pinMode(P7, OUTPUT);

    Serial.print("Init pcf8574 output...");
    if (pcf8574_output.begin()){
        Serial.println("OK");
    }else{
        Serial.println("failed");
    }

  pcf8574_input.pinMode(P0, INPUT);
  pcf8574_input.pinMode(P1, INPUT);
  pcf8574_input.pinMode(P2, INPUT);
  pcf8574_input.pinMode(P3, INPUT);
  pcf8574_input.pinMode(P4, INPUT);
  pcf8574_input.pinMode(P5, INPUT);
  pcf8574_input.pinMode(P6, INPUT);
  pcf8574_input.pinMode(P7, INPUT);
Serial.print("Init pcf8574 input...");
if (pcf8574_input.begin()){
    Serial.println("OK");
  }else{
    Serial.println("failed");
  }
 
}

void loop()
{
  delay(500);
  Serial.printf("Current Reading A1 on Pin(%d)=%d\n",ANALOG_A1,analogRead(ANALOG_A1));
  Serial.printf("Current Reading A2 on Pin(%d)=%d\n",ANALOG_A2,analogRead(ANALOG_A2));

 
}