---

#define RESISTOR A0
#define LED1 9
#define LED2 10

void setup() {
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
}

void loop() {
  int value = analogRead(RESISTOR);

  int resistance = map(value, 0, 1023, 0, 10000);

  if (resistance >= 3000) {
    digitalWrite(LED1, HIGH);
  } else {
    digitalWrite(LED1, LOW);
  }

  int brightness = map(resistance, 0, 10000, 255, 0);
  analogWrite(LED2, brightness);

  delay(10);
}