const int sensorCahayaPin = A0;
const int pwmLedPin = 3;
const int nonPwmLedPin = 2;
const float resistorValue = 10000.0;
const float voltageSupply = 5.0;
const float sensorVoltageDivider = 1023.0;

void setup() {
Serial.begin(9600);
pinMode(pwmLedPin, OUTPUT);
pinMode(nonPwmLedPin, OUTPUT);
Serial.println("Praktikum Embedded Systems");
Serial.println("LAB TEKNIK DIGITAL");
}

void loop() {
int ldrValue = analogRead(sensorCahayaPin);
float voltage = (ldrValue / sensorVoltageDivider) * voltageSupply;
float resistance = (voltageSupply / voltage - 1) * resistorValue;
int lux = map(resistance, 0, resistorValue, 0, 255);

Serial.print("Nilai ADC: "); Serial.println(ldrValue);
Serial.print("Tegangan: "); Serial.print(voltage); Serial.println(" V");
Serial.print("Resistansi LDR: "); Serial.print(resistance); Serial.println("Ohm");

analogWrite(pwmLedPin, lux);
analogWrite(nonPwmLedPin, lux);
delay(1000);
}