Differences

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--- arduino:arduino_crash_course:basic_interaction [2012/11/12 04:36] – mithat
+++ arduino:arduino_crash_course:basic_interaction [2015/02/13 22:27] – mithat
@@ Line 15: / Line 15: @@
 ===== Switch-controlled LED =====
-The following examples use polling to determine the state of a switch. If the switch is pressed, Arduino will turn an LED on. If it is not pressed, it will turn the LED off.
+The following examples use polling to determine the state of a switch. If the switch is pressed, the Arduino will turn an LED on. If it is not pressed, it will turn the LED off.
 ==== With external pulldown resistors ====
@@ Line 39: / Line 39: @@
   buttonState = digitalRead(pushButtonPin);  // read the input pin
-    // set LED state accordingly
+  // set LED state accordingly
   if (buttonState == HIGH)       // if the button is pushed
     digitalWrite(ledPin, HIGH);  // turn the LED on
@@ Line 45: / Line 45: @@
     digitalWrite(ledPin, LOW);   // turn the LED off
-  //delay(1);        // delay in between reads for stability (?)
+  //delay(1);        // delay between reads for stability (?? I don't remember why this got in here.)
 }
 </file>
-Notice the use of an ''if-else'' statement. The ''if-else'' statement is an example of **flow control**.
+Notice the use of an ''if-else'' statement. The ''if-else'' statement is an example of **control flow**.
 A more compact version of the above that eliminates the if-else statement: