improvements

aqi.ino

@@ -38,9 +38,8 @@ float celsiusToFahrenheit(float degrees) {
 
 void setup() {
     Serial.begin(115200);
-    while (!Serial) {
+    while (!Serial)
         delay(100);
-    }
 
     // set up the LCD's number of columns and rows:
     lcd.begin(16, 2);
@@ -110,15 +109,15 @@ void loop() {
 
     if (digitalRead(buttonPin) == LOW) {
         lcd.setCursor(0, 0);
-        lcd.print("1:");
+        lcd.print(" 1:");
         lcd.print(massConcentrationPm1p0);
 
         lcd.setCursor(8, 0);
-        lcd.print("2:");
+        lcd.print(" 2:");
         lcd.print(massConcentrationPm2p5);
 
         lcd.setCursor(0, 1);
-        lcd.print("4:");
+        lcd.print(" 4:");
         lcd.print(massConcentrationPm4p0);
 
         lcd.setCursor(8, 1);
@@ -141,15 +140,4 @@ void loop() {
         lcd.print("v:");
         lcd.print(vocIndex, 0);
     }
-
-    //Serial.println("------------");
-    //Serial.print("Voc:");
-    //Serial.println(vocIndex);
-    //Serial.print("Humidity:");
-    //Serial.println(ambientHumidity);
-    //Serial.print("Temperature:");
-    //Serial.println(ambientTemperature);
-    //Serial.print("Heat:");
-    //Serial.println(feelsLikeTemperature);
-    //Serial.println("------------");
 }