// Definisi konstanta
const int PIN_TEGANGAN = A0;  // Pin analog untuk sensor tegangan
float R1 = 30000;  // Nilai resistor R1 dalam ohm
float R2 = 7500;
float vModul = 0.0;
float hasil = 0.0;

int value = 0;
void setup() {
  pinMode(13, OUTPUT);
  pinMode(PIN_TEGANGAN, INPUT);
  Serial.begin(115200);  // Inisialisasi komunikasi serial
  Serial.println("tes berhasil!");
      }

      void loop() {
        value = analogRead(PIN_TEGANGAN);
        vModul = (value * 5) / 1023.0;
        hasil = vModul / (R2 / (R1+R2));
        Serial.println("value: ");
        Serial.println(value);
        Serial.println("vModul: ");
        Serial.println(vModul,2);
        Serial.println("hasil: ");
        Serial.println(hasil,2);
        Serial.println(" ");
        delay(3000);
        digitalWrite(13, HIGH);
}