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arduino:basic_interaction

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arduino:basic_interaction [2012/09/14 00:45] – mithatarduino:basic_interaction [2012/09/14 00:55] – mithat
Line 43: Line 43:
  
   // set LED state accordingly   // 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 (?)   //delay(1);        // delay in between reads for stability (?)
Line 72: Line 72:
 void loop() { void loop() {
   int buttonState = digitalRead(pushButtonPin);  // read the input pin   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 (?)   //delay(1);        // delay in between reads for stability (?)
 } }
Line 94: Line 94:
  
 void loop() { 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 (?)   //delay(1);        // delay in between reads for stability (?)
 } }
 </file> </file>
arduino/basic_interaction.txt · Last modified: 2012/09/14 01:19 by mithat
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