ProyekMikonUno

#include <Wire.h>
#include <Adafruit_ADS1015.h>
Adafruit_ADS1115 ads(0x48);

#define pin_relay 13
#define pin_sensor 0

float power = 0;


void setup(){ 
 Serial.begin(9600);
 pinMode(pin_relay, OUTPUT);
 digitalWrite(pin_relay, HIGH);
 ads.begin();
}



void loop(){
 power = dayaSemu();
 power = (power < 5 ? 0 : power);
 Serial.print(power);
 Serial.print(",");
 checkSerial();
}



void checkSerial() {
  if (Serial.available()) {
    if (Serial.read() == '0') {
      digitalWrite(pin_relay, HIGH);
    } else {
      digitalWrite(pin_relay, LOW);
    }
  }
}



float dayaSemu() {
  float S;
  float Vpp, Vrms, Irms;
  
  int16_t readValue;
  int16_t maxValue = 0;
  int16_t minValue = 32767;
  
   uint32_t start_time = millis();
   while((millis() - start_time) < 999) {
       readValue = ads.readADC_SingleEnded(0);
       if (readValue > maxValue) maxValue = readValue;
       if (readValue < minValue) minValue = readValue;
   }
   
   Vpp = ((maxValue - minValue) * 0.1875) / 1000.0;
   Vrms = (Vpp / 2.0) * 0.7; 
   Irms = (Vrms * 1000) / 185;
   S = Irms * 202;
   return S;
 }