 const int SEGMENT_G_PIN = 13;
 
 const byte DIGIT_OFF = 255;
-const byte DIGIT_ON = 10; // increase the value to reduce current
+const byte DIGIT_ON = 100; // increase the value to reduce current
 
 const short MINUS = -1;
 const short DEGREE = -2;
 
 int currentDigitIndex = 0;
+const int INACTIVE = -1;
 short digits[4];
+
+int temperature = -23;
+int humidity = 46;
 
 void activateDigit(int digit) {
   switch (digit) {

const int DIGIT_1_PIN = 3;
const int DIGIT_2_PIN = 5;
const int DIGIT_3_PIN = 6;

}

void loop() {
  activateDigit(INACTIVE);
  drawDigit(digits[currentDigitIndex]);
  activateDigit(currentDigitIndex);
  
  currentDigitIndex++;
  if (currentDigitIndex >= 4) currentDigitIndex = 0;
  
  delayMicroseconds(DIGIT_DELAY);
}
