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/*Simple PIR sketch: Written by ScottC, 19th Dec 2013

 http://arduinobasics.blogspot.com/
 
 ----------------------------------------------------*/

void setup(){
 pinMode(13,OUTPUT);
 pinMode(2,INPUT);
}

void loop(){
 digitalWrite(13,digitalRead(2));
}

104 (Left) – Max

LED on = 20 sec LED off = 3 sec

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/* ArduinoBasics: Sonar Project - Created by Scott C on 10 Jan 2013
 http://arduinobasics.blogspot.com/2013/01/arduino-basics-sonar-project-tutorial.html
 
 This project uses the Adafruit Motor shield library (copyright Adafruit Industries LLC, 2009
 this code is public domain, enjoy!)
 
 The HC-SR04 sensor uses some code from the following sources:
 From Virtualmix: http://goo.gl/kJ8Gl
 Modified by Winkle ink here: http://winkleink.blogspot.com.au/2012/05/arduino-hc-sr04-ultrasonic-distance.html
 And modified further by ScottC here: http://arduinobasics.blogspot.com/
 on 10 Nov 2012.
*/

#include <AFMotor.h>
#include <Servo.h> 

// DC hobby servo
Servo servo1;

/* The servo minimum and maximum angle rotation */
static const int minAngle = 0;
static const int maxAngle = 176;
int servoAngle;
int servoPos;
int servoPin = 10;


/* Define pins for HC-SR04 ultrasonic sensor */
#define echoPin A0 // Echo Pin = Analog Pin 0
#define trigPin A1 // Trigger Pin = Analog Pin 1
#define LEDPin 13 // Onboard LED
long duration; // Duration used to calculate distance
long HR_dist=0; // Calculated Distance
int HR_angle=0; // The angle in which the servo/sensor is pointing
int HR_dir=1; // Used to change the direction of the servo/sensor
int minimumRange=5; //Minimum Sonar range
int maximumRange=200; //Maximum Sonar Range

/*--------------------SETUP()------------------------*/
void setup() {
 //Begin Serial communication using a 9600 baud rate
 Serial.begin (9600);
 
 // Tell the arduino that the servo is attached to Digital pin 10.
 servo1.attach(servoPin);
 
 //Setup the trigger and Echo pins of the HC-SR04 sensor
 pinMode(trigPin, OUTPUT);
 pinMode(echoPin, INPUT);
 pinMode(LEDPin, OUTPUT); // Use LED indicator (if required)
}

/*----------------------LOOP()--------------------------*/
void loop() {
 
 /* check if data has been sent from the computer: */
 if (Serial.available()) {
 
 /* This expects an integer from the Serial buffer */
 HR_angle = Serial.parseInt();
 
 /* If the angle provided is 0 or greater, then move servo to that 
 position/angle and then get a reading from the ultrasonic sensor */
 if(HR_angle>-1){
 /*Make sure that the angle provided does not go beyond the capabilities
 of the Servo. This can also be used to calibrate the servo angle */
 servoPos = constrain(map(HR_angle, 0,180,minAngle,maxAngle),minAngle,maxAngle);
 servo1.write(servoPos);
 
 /* Call the getDistance function to take a reading from the Ultrasonic sensor */
 getDistance();
 }
 }
}

/*--------------------getDistance() FUNCTION ---------------*/
void getDistance(){ 
 
 /* The following trigPin/echoPin cycle is used to determine the
 distance of the nearest object by bouncing soundwaves off of it. */ 
 digitalWrite(trigPin, LOW); 
 delayMicroseconds(2); 

 digitalWrite(trigPin, HIGH);
 delayMicroseconds(10); 
 
 digitalWrite(trigPin, LOW);
 duration = pulseIn(echoPin, HIGH);
 
 //Calculate the distance (in cm) based on the speed of sound.
 HR_dist = duration/58.2;
 
 /*Send the reading from the ultrasonic sensor to the computer */
 if (HR_dist >= maximumRange || HR_dist <= minimumRange){
 /* Send a 0 to computer and Turn LED ON to indicate "out of range" */
 Serial.println("0");
 digitalWrite(LEDPin, HIGH); 
 } else {
 /* Send the distance to the computer using Serial protocol, and
 turn LED OFF to indicate successful reading. */
 Serial.println(HR_dist);
 digitalWrite(LEDPin, LOW);
 }
}

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/* Created by ScottC on 10 Jan 2013 
 http://arduinobasics.blogspot.com/2013/01/arduino-basics-sonar-project-tutorial.html
*/

import processing.serial.*;

int distance;
int angle=0;
int direction=1;

int[] alphaVal = new int[100]; // used to fade the lines
int[] distance2 = new int[100]; // used to store the line lengths
int lineSize = 4; // line length multiplier (makes it longer)

String comPortString;
Serial comPort;

/*---------------------SETUP---------------------------*/
void setup( ) {
 size(displayWidth,displayHeight); //allows fullscreen view
 smooth();
 background(0); // set the background to black
 
 /*Open the serial port for communication with the Arduino
 Make sure the COM port is correct - I am using COM port 8 */
 comPort = new Serial(this, "COM8", 9600);
 comPort.bufferUntil('\n'); // Trigger a SerialEvent on new line 
 
 /*Initialise the line alphaValues to 0 (ie not visible) */
 for(int i=0; i<91; i++){
 alphaVal[i] = 0;
 }
}
 
/*---------------------DRAW-----------------*/
void draw( ) {
 background(0); //clear the screen
 
 /*Draw each line and dot */
 for(int i=0; i<91; i++){
 
 /*Gradually fade each line */
 alphaVal[i]=alphaVal[i]-4;
 
 /*Once it gets to 0, keep it there */
 if(alphaVal[i]<0){
 alphaVal[i]=0;
 }
 
 /*The colour of the line will change depending on the distance */
 stroke(255,distance2[i],0,alphaVal[i]);
 
 /* Use a line thickness of 2 (strokeweight) to draw the line that fans
 out from the bottom center of the screen. */
 strokeWeight(2);
 line(width/2, height, (width/2)-cos(radians(i*2))*(distance2[i]*lineSize), height-sin(radians(i*2))*(distance2[i]*lineSize));
 
 /* Draw the white dot at the end of the line which does not fade */
 stroke(255);
 strokeWeight(1);
 ellipse((width/2)-cos(radians(i*2))*(distance2[i]*lineSize), height-sin(radians(i*2))*(distance2[i]*lineSize),5,5);
 }
}

/* A mouse press starts the scan. There is no stop button */
void mousePressed(){
 sendAngle();
}

/*When the computer receives a value from the Arduino, it will update the line positions */
void serialEvent(Serial cPort){
 comPortString = cPort.readStringUntil('\n');
 if(comPortString != null) {
 comPortString=trim(comPortString);
 
 /* Use the distance received by the Arduino to modify the lines */
 distance = int(map(Integer.parseInt(comPortString),1,200,1,height));
 drawSonar(angle,distance);

 /* Send the next angle to be measured by the Arduino */ 
 sendAngle();
 }
}

/*---------------------------sendAngle() FUNCTION----------------*/
void sendAngle(){
 //Send the angle to the Arduino. The fullstop at the end is necessary.
 comPort.write(angle+".");
 
 /*Increment the angle for the next time round. Making sure that the angle sent
 does not exceed the servo limits. The "direction" variable allows the servo
 to have a sweeping action.*/
 angle=angle+(2*direction);
 if(angle>178||angle<1){
 direction=direction*-1;
 }
}

/*-----------------sketchFullScreen(): Allows for FullScreen view------*/
boolean sketchFullScreen() {
 return true;
}

/*----------------- drawSonar(): update the line/dot positions---------*/
void drawSonar(int sonAngle, int newDist){
 alphaVal[sonAngle/2] = 180;
 distance2[sonAngle/2] = newDist;
}

 

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/* -------------------------------------------------------
Analog IR Temperature Gauge: written by ScottC on 1st Dec 2012.
http://arduinobasics.blogspot.com/2012/12/arduino-basics-analog-ir-temperature.html


 * Some of the code was adapted from a sketch by Andy Gelme (@geekscape)
 * For more information on using the IRTEMP 
 see www.freetronics.com/irtemp
 
 * IRTemp library uses an Arduino interrupt:
 * If PIN_CLOCK = 2, then Arduino interrupt 0 is used
 * If PIN_CLOCK = 3, then Arduino interrupt 1 is used
 ---------------------------------------------------------*/

#include "IRTemp.h"
#include <Servo.h> 

Servo servo1;
static const byte PIN_DATA = 2;
static const byte PIN_CLOCK = 3; // Must be either pin 2 or pin 3
static const byte PIN_ACQUIRE = 4;

static const bool SCALE=false; // Celcius: false, Farenheit: true

/* Used to capture the temperature from the IRTEMP sensor */
float irTemperature;
int temp;

/* The minimum and maximum temperatures on the gauge. */
static const int minTemp = -45;
static const int maxTemp = 135;


/* The servo minimum and maximum angle rotation */
static const int minAngle = 0;
static const int maxAngle = 175;
int servoPos;

IRTemp irTemp(PIN_ACQUIRE, PIN_CLOCK, PIN_DATA);



/*----------------------SETUP----------------------*/

void setup(void) {
 
 servo1.attach(9); // turn on servo
}


/*-----------------------LOOP-----------------------*/

void loop(void) {
 irTemperature = irTemp.getIRTemperature(SCALE);
 printTemperature("IR", irTemperature);

 /* If you want the ambient temperature instead - then use the code below. */
 //float ambientTemperature = irTemp.getAmbientTemperature(SCALE);
 //printTemperature("Ambient", ambientTemperature);

}

/*-----------printTemperature function---------------*/

void printTemperature(char *type, float temperature) {
 
 temp=(int) temperature;
 servoPos = constrain(map(temp, minTemp,maxTemp,minAngle,maxAngle),minAngle,maxAngle);
 
 if (isnan(temperature)) {
 //is not a number, do nothing
 }
 else {
 
 /* To test the minimum angle insert the code below */
 //servoPos = minAngle;
 
 /*To test the maximum angle, insert the code below */
 //servoPos = maxAngle;

 /* Rotate servo to the designated position */
 servo1.write(servoPos);
 }
}