Archive content from March 2014 Class

past_class_archive/2014_03/class_1/Basic_LED/Basic_LED.ino

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+// Fun with Arduino by Rob Purser is licensed under a
+// Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+// http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
+// Based on a work at https://sites.google.com/site/funarduino/
+// Copyright Rob Purser, 2013
+
+void setup()
+{
+  pinMode(13,OUTPUT);
+}
+
+void loop()
+{
+  digitalWrite(13,HIGH);
+  delay(1000);
+  digitalWrite(13,LOW);
+  delay(1000);
+  digitalWrite(13,HIGH);
+  delay(250);
+  digitalWrite(13,LOW);
+  delay(250);
+}

past_class_archive/2014_03/class_1/Traffic_Light/Traffic_Light.ino

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+// Fun with Arduino by Rob Purser is licensed under a
+// Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+// http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
+// Based on a work at  https://sites.google.com/site/funarduino/
+// Copyright Rob Purser, 2013
+
+int signal1RedPin = 13;
+int signal1YellowPin = 12;
+int signal1GreenPin = 11;
+int signal2RedPin = 10;
+int signal2YellowPin = 9;
+int signal2GreenPin = 8;
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(signal1RedPin,OUTPUT);
+  pinMode(signal1YellowPin,OUTPUT);
+  pinMode(signal1GreenPin,OUTPUT);
+  pinMode(signal2RedPin,OUTPUT);
+  pinMode(signal2YellowPin,OUTPUT);
+  pinMode(signal2GreenPin,OUTPUT);
+  digitalWrite(signal2RedPin,HIGH);
+}
+
+void loop()
+{
+  Serial.println("Green  Red");
+  digitalWrite(signal1RedPin,LOW);
+  digitalWrite(signal1GreenPin,HIGH);
+  delay(5000);
+
+  Serial.println("Yellow Red");
+  digitalWrite(signal1GreenPin,LOW);
+  digitalWrite(signal1YellowPin,HIGH);
+  delay(1000);
+
+  Serial.println("Red    Red");
+  digitalWrite(signal1YellowPin,LOW);
+  digitalWrite(signal1RedPin,HIGH);
+  delay(500);
+
+  Serial.println("Red    Green");
+  digitalWrite(signal2RedPin,LOW);
+  digitalWrite(signal2GreenPin,HIGH);
+  delay(5000);
+
+  Serial.println("Red    Yellow");
+  digitalWrite(signal2GreenPin,LOW);
+  digitalWrite(signal2YellowPin,HIGH);
+  delay(1000);
+
+  Serial.println("Red    Red");
+  digitalWrite(signal2YellowPin,LOW);
+  digitalWrite(signal2RedPin,HIGH);
+  delay(500);
+
+}

past_class_archive/2014_03/class_1/Traffic_Light_Arrive/Traffic_Light_Arrive.ino

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+// Fun with Arduino by Rob Purser is licensed under a
+// Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+// http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
+// Based on a work at https://sites.google.com/site/funarduino/
+// Copyright Rob Purser, 2013
+
+int signal1RedPin = 13;
+int signal1YellowPin = 12;
+int signal1GreenPin = 11;
+int signal2RedPin = 10;
+int signal2YellowPin = 9;
+int signal2GreenPin = 8;
+int arrivalSensorPin = 7;
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(signal1RedPin,OUTPUT);
+  pinMode(signal1YellowPin,OUTPUT);
+  pinMode(signal1GreenPin,OUTPUT);
+  pinMode(signal2RedPin,OUTPUT);
+  pinMode(signal2YellowPin,OUTPUT);
+  pinMode(signal2GreenPin,OUTPUT);
+  digitalWrite(signal2RedPin,HIGH);
+
+  pinMode(arrivalSensorPin,INPUT_PULLUP);//Exercise 3
+}
+
+void loop()
+{
+  Serial.println("Green  Red -- waiting on arrival");
+  digitalWrite(signal1RedPin,LOW);
+  digitalWrite(signal1GreenPin,HIGH);
+
+  // Wait for the arrival sensor to go low
+  while(digitalRead(arrivalSensorPin) == HIGH)
+  {
+    delay(100);
+  }
+  Serial.println("Arrival Sensor Triggered");
+
+  Serial.println("Yellow Red");
+  digitalWrite(signal1GreenPin,LOW);
+  digitalWrite(signal1YellowPin,HIGH);
+  delay(1000);
+
+  Serial.println("Red    Red");
+  digitalWrite(signal1YellowPin,LOW);
+  digitalWrite(signal1RedPin,HIGH);
+  delay(500);
+
+  Serial.println("Red    Green");
+  digitalWrite(signal2RedPin,LOW);
+  digitalWrite(signal2GreenPin,HIGH);
+  delay(5000);
+
+  Serial.println("Red    Yellow");
+  digitalWrite(signal2GreenPin,LOW);
+  digitalWrite(signal2YellowPin,HIGH);
+  delay(1000);
+
+  Serial.println("Red    Red");
+  digitalWrite(signal2YellowPin,LOW);
+  digitalWrite(signal2RedPin,HIGH);
+  delay(500);
+
+}

past_class_archive/2014_03/class_1/Traffic_Light_AtHome_Solution/Traffic_Light_AtHome_Solution.ino

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+// Fun with Arduino by Rob Purser is licensed under a
+// Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+// http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
+// Based on a work at https://sites.google.com/site/funarduino/
+// Copyright Rob Purser, 2013
+
+int signal1RedPin = 13;
+int signal1YellowPin = 12;
+int signal1GreenPin = 11;
+int signal2RedPin = 10;
+int signal2YellowPin = 9;
+int signal2GreenPin = 8;
+
+int arrival1SensorPin = 6;
+int arrival2SensorPin = 7;
+
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(signal1RedPin,OUTPUT);
+  pinMode(signal1YellowPin,OUTPUT);
+  pinMode(signal1GreenPin,OUTPUT);
+  pinMode(signal2RedPin,OUTPUT);
+  pinMode(signal2YellowPin,OUTPUT);
+  pinMode(signal2GreenPin,OUTPUT);
+  digitalWrite(signal2RedPin,HIGH);
+
+  pinMode(arrival1SensorPin,INPUT_PULLUP);
+  pinMode(arrival2SensorPin,INPUT_PULLUP);
+
+  Serial.println("Red     Red -- waiting on arrival");
+  digitalWrite(signal1RedPin,HIGH);
+  digitalWrite(signal1RedPin,HIGH);  
+}
+
+void loop()
+{
+  // Wait for the arrival 1 sensor to go low
+  if(digitalRead(arrival1SensorPin) == LOW)
+  {
+    Serial.println("Arrival Sensor 1 Triggered");
+
+    Serial.println("Green   Red");
+    digitalWrite(signal1RedPin,LOW);  
+    digitalWrite(signal1GreenPin,HIGH);
+
+    // Wait for the vehicle to pass
+    delay(5000);
+
+    Serial.println("Yellow  Red");  
+    digitalWrite(signal1GreenPin,LOW);  
+    digitalWrite(signal1YellowPin,HIGH);
+    delay(500);
+
+    Serial.println("Red     Red -- waiting on arrival");
+    digitalWrite(signal1YellowPin,LOW);
+    digitalWrite(signal1RedPin,HIGH);
+
+  }
+  else if(digitalRead(arrival2SensorPin) == LOW)
+  {
+    Serial.println("Arrival Sensor 2 Triggered");
+
+    Serial.println("Red     Green");
+    digitalWrite(signal2RedPin,LOW);  
+    digitalWrite(signal2GreenPin,HIGH);
+
+    // Wait for the vehicle to pass  
+    delay(5000);
+
+    Serial.println("Red     Yellow");  
+    digitalWrite(signal2GreenPin,LOW);  
+    digitalWrite(signal2YellowPin,HIGH);
+    delay(500);
+
+    Serial.println("Red     Red -- waiting on arrival");
+    digitalWrite(signal2YellowPin,LOW);
+    digitalWrite(signal2RedPin,HIGH);
+  }
+  else
+  {
+     delay(100); 
+  }
+}
+

past_class_archive/2014_03/class_2/Audio_Light_Show_AtHome_Solution/Audio_Light_Show_AtHome_Solution.ino

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+// Fun with Arduino by Rob Purser is licensed under a
+// Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+// http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
+// Based on a work at https://sites.google.com/site/funarduino/
+// Copyright Rob Purser, 2013-2014
+
+int flexpotPin = 0;
+int buzzerPin = 6;
+
+int led1 = 7;
+int led2 = 8;
+int led3 = 9;
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(led1,OUTPUT);
+  pinMode(led2,OUTPUT);
+  pinMode(led3,OUTPUT);
+}
+
+void loop()
+{
+  unsigned int flexpotValue = analogRead(flexpotPin);
+  Serial.print("Flexpot: ");
+  Serial.print(flexpotValue);
+  // My flexpot gave values between about 600 when unbent, to 850 when fully bent.
+  unsigned int pitch = map(flexpotValue, 600, 850, 200, 1000);
+  Serial.print(" Pitch: ");
+  Serial.println(pitch);
+  tone(buzzerPin,pitch,100);
+
+  unsigned int pinState;
+
+  if (pitch < 300) {
+     digitalWrite(led1,LOW);
+     digitalWrite(led2,LOW);
+     digitalWrite(led3,LOW);
+  } else if (pitch < 500) {
+     digitalWrite(led1,HIGH);
+     digitalWrite(led2,LOW);
+     digitalWrite(led3,LOW);
+  } else if (pitch < 700) {
+     digitalWrite(led1,HIGH);
+     digitalWrite(led2,HIGH);
+     digitalWrite(led3,LOW);
+  } else {
+     digitalWrite(led1,HIGH);
+     digitalWrite(led2,HIGH);
+     digitalWrite(led3,HIGH);
+  }
+}
+
+

past_class_archive/2014_03/class_2/Flexpot_Buzzer/Flexpot_Buzzer.ino

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+// Fun with Arduino by Rob Purser is licensed under a
+// Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+// http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
+// Based on a work at https://sites.google.com/site/funarduino/
+// Copyright Rob Purser, 2013-2014
+
+int flexpotPin = 0;
+int buzzerPin = 6;
+
+void setup()
+{
+  Serial.begin(9600);
+}
+
+void loop()
+{
+  unsigned int flexpotValue = analogRead(flexpotPin);
+  Serial.print("Flexpot: ");
+  Serial.print(flexpotValue);
+  // My flexpot gave values between about 600 when unbent, to 850 when fully bent.
+  unsigned int pitch = map(flexpotValue, 600, 850, 200, 1000);
+  Serial.print(" Pitch: ");
+  Serial.println(pitch);
+  tone(buzzerPin,pitch,100);
+}

past_class_archive/2014_03/class_2/Traffic_Light_Delay_Solution/Traffic_Light_Delay_Solution.ino

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+// Fun with Arduino by Rob Purser is licensed under a
+// Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+// http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
+// Based on a work at https://sites.google.com/site/funarduino/
+// Copyright Rob Purser, 2013
+
+int signal1RedPin = 13;
+int signal1YellowPin = 12;
+int signal1GreenPin = 11;
+int signal2RedPin = 10;
+int signal2YellowPin = 9;
+int signal2GreenPin = 8;
+int arrivalSensorPin = 7;
+int delayTimingPin = 0;
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(signal1RedPin,OUTPUT);
+  pinMode(signal1YellowPin,OUTPUT);
+  pinMode(signal1GreenPin,OUTPUT);
+  pinMode(signal2RedPin,OUTPUT);
+  pinMode(signal2YellowPin,OUTPUT);
+  pinMode(signal2GreenPin,OUTPUT);
+  digitalWrite(signal2RedPin,HIGH);
+
+  pinMode(arrivalSensorPin,INPUT_PULLUP);//Exercise 3
+}
+
+void loop()
+{
+  Serial.println("Green  Red -- waiting on arrival");
+  digitalWrite(signal1RedPin,LOW);
+  digitalWrite(signal1GreenPin,HIGH);
+
+  while(digitalRead(arrivalSensorPin) == HIGH)
+  {
+    delay(100);
+  }
+
+  Serial.println("Yellow Red");
+  digitalWrite(signal1GreenPin,LOW);
+  digitalWrite(signal1YellowPin,HIGH);
+  delay(1000);
+
+  Serial.println("Red    Red");
+  digitalWrite(signal1YellowPin,LOW);
+  digitalWrite(signal1RedPin,HIGH);
+  delay(500);
+
+  //Serial.println("Red    Green");
+  digitalWrite(signal2RedPin,LOW);
+  digitalWrite(signal2GreenPin,HIGH);
+
+  // Exercise:  Replace this delay with code to read the knob and map it to a delay.
+  //delay(5000);
+  int delayTimingReading = analogRead(delayTimingPin);
+  int delayInMs = map(delayTimingReading,0,1023,1000,15000);
+  Serial.print("Red    Green - a reading of ");
+  Serial.print(delayTimingReading);
+  Serial.print(" creates a delay of ");
+  Serial.print(delayInMs);
+  Serial.println("ms.");
+  delay(delayInMs);
+
+  Serial.println("Red    Yellow");
+  digitalWrite(signal2GreenPin,LOW);
+  digitalWrite(signal2YellowPin,HIGH);
+  delay(1000);
+
+  Serial.println("Red    Red");
+  digitalWrite(signal2YellowPin,LOW);
+  digitalWrite(signal2RedPin,HIGH);
+  delay(500);
+
+}