Differences

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--- arduino:basic_interaction [2012/09/14 00:43] – mithat
+++ arduino:basic_interaction [2012/09/14 00:55] – mithat
@@ Line 17: / Line 17: @@
 <code c>
-digitalWrite(pushButtonPin, HIGH);       // turn on pullup resistors
+digitalWrite(pushButtonPin, HIGH);  // turn on pullup resistors
 </code>
@@ Line 43: / Line 43: @@
   // set LED state accordingly
-  if (buttonState == HIGH)        // if the button is pushed
+  if (buttonState == LOW)        // if the button is pushed
-    digitalWrite(ledPin, HIGH);   // turn the LED on
+    digitalWrite(ledPin, HIGH);  // turn the LED on
-  else                            // otherwise
+  else                           // otherwise
-    digitalWrite(ledPin, LOW);    // turn the LED off
+    digitalWrite(ledPin, LOW);   // turn the LED off
   //delay(1);        // delay in between reads for stability (?)
@@ Line 72: / Line 72: @@
 void loop() {
   int buttonState = digitalRead(pushButtonPin);  // read the input pin
-  digitalWrite(ledPin, buttonState);          // turn the LED on or off
+  digitalWrite(ledPin, !buttonState);          // turn the LED on or off
   //delay(1);        // delay in between reads for stability (?)
 }
@@ Line 94: / Line 94: @@
 void loop() {
-  digitalWrite(ledPin, digitalRead(pushButtonPin));  // read the input pin and turn the LED on or off
+  digitalWrite(ledPin, !digitalRead(pushButtonPin));  // read the input pin and turn the LED on or off
   //delay(1);        // delay in between reads for stability (?)
 }
 </file>