First commit

LICENSE.txt

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+Freeware License, some rights reserved
+
+Copyright (c) 2013 Michael McRoberts
+
+Permission is hereby granted, free of charge, to anyone obtaining a copy 
+of this software and associated documentation files (the "Software"), 
+to work with the Software within the limits of freeware distribution and fair use. 
+This includes the rights to use, copy, and modify the Software for personal use. 
+Users are also allowed and encouraged to submit corrections and modifications 
+to the Software for the benefit of other users.
+
+It is not allowed to reuse,  modify, or redistribute the Software for 
+commercial use in any way, or for a user�s educational materials such as books 
+or blog articles without prior permission from the copyright holder. 
+
+The above copyright notice and this permission notice need to be included 
+in all copies or substantial portions of the software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS OR APRESS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+

Project_01/Project_01.ino

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+// Project 1 - LED Flasher
+int ledPin = 10;
+void setup() {
+pinMode(ledPin, OUTPUT);
+}
+void loop() {
+digitalWrite(ledPin, HIGH);
+delay(1000);
+digitalWrite(ledPin, LOW);
+delay(1000);
+}

Project_02/Project_02.ino

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+// Project 2 - SOS Morse Signaller
+// LED connected to digital pin 10 
+int ledPin = 10;                
+
+// run once, when the sketch starts
+void setup()                    
+{
+// sets the digital pin as output
+pinMode(ledPin, OUTPUT);     
+}
+
+// run over and over again 
+void loop()                     
+{
+// 3 dits
+for (int x=0; x<3; x++) {
+digitalWrite(ledPin, HIGH);   // sets the LED on
+delay(150);                  // waits for 150ms
+digitalWrite(ledPin, LOW);    // sets the LED off
+delay(100);               // waits for 100ms
+  	}
+
+  // 100ms delay to cause slight gap between letters
+  	delay(100);     
+  // 3 dahs
+  	for (int x=0; x<3; x++) {
+  		digitalWrite(ledPin, HIGH);   // sets the LED on
+  		delay(400);                  // waits for 400ms
+  		digitalWrite(ledPin, LOW);    // sets the LED off
+  		delay(100);               // waits for 100ms
+  	}
+
+  // 100ms delay to cause slight gap between letters 
+  delay(100); 
+
+  // 3 dits again
+  	for (int x=0; x<3; x++) {
+  		digitalWrite(ledPin, HIGH);   // sets the LED on
+  		delay(150);                  // waits for 150ms
+  		digitalWrite(ledPin, LOW);    // sets the LED off
+  		delay(100);               // waits for 100ms
+  	}
+
+// wait 5 seconds before repeating the SOS signal 
+delay(5000); 
+}
+

Project_03/Project_03.ino

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+// Project 3 - Traffic Lights
+
+int ledDelay = 10000; // delay in between changes
+int redPin = 10;
+int yellowPin = 9;
+int greenPin = 8;
+
+void setup() {
+  	pinMode(redPin, OUTPUT);
+  	pinMode(yellowPin, OUTPUT);
+pinMode(greenPin, OUTPUT);
+}
+
+void loop() {
+
+  	digitalWrite(redPin, HIGH); // turn the red light on
+  	delay(ledDelay); // wait 5 seconds
+
+  	digitalWrite(yellowPin, HIGH); // turn on yellow
+  	delay(2000); // wait 2 seconds
+
+  	digitalWrite(greenPin, HIGH); // turn green on
+  	digitalWrite(redPin, LOW); // turn red off
+  	digitalWrite(yellowPin, LOW); // turn yellow off
+  	delay(ledDelay); // wait ledDelay milliseconds
+
+  	digitalWrite(yellowPin, HIGH); // turn yellow on
+  	digitalWrite(greenPin, LOW); // turn green off
+  	delay(2000); // wait 2 seconds
+
+  	digitalWrite(yellowPin, LOW); // turn yellow off
+  	// now our loop repeats
+
+}
+

Project_04/Project_04.ino

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+// Project 4 - Interactive Traffic Lights
+
+int carRed = 12; // assign the car lights
+int carYellow = 11;
+int carGreen = 10;
+int pedRed = 9; // assign the pedestrian lights
+int pedGreen = 8;
+int button = 2; // button pin
+int crossTime = 5000; // time allowed to cross
+unsigned long changeTime = 0; // time last pedestrian cycle completed
+
+void setup() {
+  	pinMode(carRed, OUTPUT);
+  	pinMode(carYellow, OUTPUT);
+  	pinMode(carGreen, OUTPUT);
+  	pinMode(pedRed, OUTPUT);
+  	pinMode(pedGreen, OUTPUT);
+  	pinMode(button, INPUT); // button on pin 2
+  	// turn on the green light
+  	digitalWrite(carGreen, HIGH); 
+  	digitalWrite(pedRed, HIGH);
+}
+
+void loop() {
+  	int state = digitalRead(button);
+  	/* check if button is pressed and it is over 5 seconds since last button press */
+  	if (state == HIGH && (millis() - changeTime) > 5000) {
+    		// Call the function to change the lights
+    		changeLights();
+  	}
+}
+
+
+void changeLights() {
+  	digitalWrite(carGreen, LOW); // green off
+  	digitalWrite(carYellow, HIGH); // yellow on
+  	delay(2000); // wait 2 seconds
+
+  	digitalWrite(carYellow, LOW); // yellow off
+  	digitalWrite(carRed, HIGH); // red on
+  	delay(1000); // wait 1 second till its safe
+
+  	digitalWrite(pedRed, LOW); // ped red off
+  	digitalWrite(pedGreen, HIGH); // ped green on
+  	delay(crossTime); // wait for preset time period
+
+  	// flash the ped green
+  	for (int x=0; x<10; x++) {
+    		digitalWrite(pedGreen, HIGH);
+    		delay(250);
+    		digitalWrite(pedGreen, LOW);
+    		delay(250);
+  	}
+  	// turn ped red on
+  	digitalWrite(pedRed, HIGH);
+  	delay(500);
+
+  	digitalWrite(carYellow, HIGH); // yellow on
+  	digitalWrite(carRed, LOW); // red off
+  	delay(1000);
+  	digitalWrite(carGreen, HIGH);
+  	digitalWrite(carYellow, LOW); // yellow off 
+
+  	// record the time since last change of lights
+  	changeTime = millis();
+  	// then return to the main program loop
+}
+

Project_05/Project_05.ino

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+// Project 5 - LED Chase Effect
+byte ledPin[] = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13};   // Create array for LED pins
+int ledDelay = 65;  // delay between changes
+int direction = 1;
+int currentLED = 0;
+unsigned long changeTime;
+
+void setup() {
+  	for (int x=0; x<10; x++) {     // set all pins to output
+    		pinMode(ledPin[x], OUTPUT); }
+    	changeTime = millis();
+}
+
+void loop() {
+  	if ((millis() - changeTime) > ledDelay) {      // if it has been ledDelay ms since last change
+    		changeLED();
+    		changeTime = millis();
+  	}
+}
+
+void changeLED() {
+  	for (int x=0; x<10; x++) {        	// turn off all LED's
+   		 digitalWrite(ledPin[x], LOW);
+  	}
+  	digitalWrite(ledPin[currentLED], HIGH); 	// turn on the current LED
+	currentLED += direction; 	// increment by the direction value
+  	// change direction if we reach the end
+  	if (currentLED == 9) {direction = -1;}
+  	if (currentLED == 0) {direction = 1;}
+}
+

Project_06/Project_06.ino

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+// Project 6 - Interactive LED Chase Effect
+
+byte ledPin[] = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13};    // Create array for LED pins
+int ledDelay; // delay between changes
+int direction = 1;
+int currentLED = 0;
+unsigned long changeTime;
+int potPin = 2;    // select the input pin for the potentiometer
+
+void setup() {
+for (int x=0; x<10; x++) {   // set all pins to output
+    		pinMode(ledPin[x], OUTPUT); }
+    	changeTime = millis();
+}
+
+void loop() {
+ledDelay = analogRead(potPin); // read the value from the pot 
+if ((millis() - changeTime) > ledDelay) {      // if it has been ledDelay ms since last change
+    		changeLED();
+   		changeTime = millis();
+  	}
+}
+
+void changeLED() {
+    	for (int x=0; x<10; x++) {   // turn off all LED's
+    		digitalWrite(ledPin[x], LOW);
+  	}
+    	digitalWrite(ledPin[currentLED], HIGH); // turn on the current LED
+currentLED += direction; // increment by the direction value
+  	// change direction if we reach the end
+ 	 if (currentLED == 9) {direction = -1;}
+  	if (currentLED == 0) {direction = 1;}
+}
+

Project_07/Project_07.ino

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+// Project 7 - Pulsating lamp
+
+int ledPin = 11;
+float sinVal;
+int ledVal;
+
+void setup() {
+  	pinMode(ledPin, OUTPUT);
+}
+
+void loop() {
+  	for (int x=0; x<180; x++) {
+    	// convert degrees to radians then obtain sin value
+    	sinVal = (sin(x*(3.1412/180)));
+    	ledVal = int(sinVal*255);
+    	analogWrite(ledPin, ledVal);
+    	delay(25);
+  	}
+}
+

Project_08/Project_08.ino

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+// Project 8 - Mood Lamp
+
+float RGB1[3];
+float RGB2[3];
+float INC[3];
+
+int red, green, blue;
+
+int RedPin = 11;
+int GreenPin = 10;
+int BluePin = 9;
+
+void setup() 
+{ 
+  	Serial.begin(9600);
+  	randomSeed(analogRead(0));
+
+  	RGB1[0] = 0;
+  	RGB1[1] = 0;
+  	RGB1[2] = 0;
+
+  	RGB2[0] = random(256);
+  	RGB2[1] = random(256);
+  	RGB2[2] = random(256);  
+} 
+
+void loop() 
+{ 
+  	randomSeed(analogRead(0));
+
+  	for (int x=0; x<3; x++) {
+    		INC[x] = (RGB1[x] - RGB2[x]) / 256; } 
+
+  	for (int x=0; x<256; x++) {
+    		red = int(RGB1[0]);
+    		green = int(RGB1[1]);
+    		blue = int(RGB1[2]);
+
+    		analogWrite (RedPin, red);  
+    		analogWrite (GreenPin, green);   
+    		analogWrite (BluePin, blue);     
+   		delay(100);   
+
+    		RGB1[0] -= INC[0];
+    		RGB1[1] -= INC[1];    
+    		RGB1[2] -= INC[2];    
+  	}
+  	for (int x=0; x<3; x++) {
+  		RGB2[x] = random(556)-300;
+  		RGB2[x] = constrain(RGB2[x], 0, 255); 
+  		delay(1000);
+ }
+}
+

Project_09/Project_09.ino

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+// Project 9 - LED Fire Effect
+
+int ledPin1 = 9;
+int ledPin2 = 10;
+int ledPin3 = 11;
+
+void setup()
+{
+ 	pinMode(ledPin1, OUTPUT);
+ 	pinMode(ledPin2, OUTPUT);
+ 	pinMode(ledPin3, OUTPUT);
+}
+
+void loop()
+{
+analogWrite(ledPin1, random(120)+135);
+analogWrite(ledPin2, random(120)+135);
+analogWrite(ledPin3, random(120)+135);
+delay(random(100));
+}
+