Neopixels

#include <Adafruit_NeoPixel.h>

// Which pin on the Arduino is connected to the NeoPixels? // On a Trinket or Gemma we suggest changing this to 1: 

#define LED_PIN 6 // How many NeoPixels are attached to the Arduino? 

#define LED_COUNT 60 // Declare our NeoPixel strip object: 

Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800); 

// Argument 1 = Number of pixels in NeoPixel strip 

// Argument 2 = Arduino pin number (most are valid) 

// Argument 3 = Pixel type flags, add together as needed:

void setup() { strip.begin();

strip.show(); // Initialize all pixels to 'off'

strip.setPixelColor(n, red, green, blue);

strip.show();

strip.fill(color, first, count);

strip.clear();

#include <NewPing.h>

#define TRIGGER_PIN 12 // Arduino pin tied to trigger pin 

#define ECHO_PIN 11 // Arduino pin tied to echo pin on the ultrasonic sensor.

#define MAX_DISTANCE 200 // Maximum distance we want to ping for (in centimeters). Maximum sensor distance is rated at 400-500cm.

NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum distance.

#include <Adafruit_NeoPixel.h>

#define PIN 6 //

#define NUMPIXELS 16 //

Adafruit_NeoPixel strip(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 50 // Time (in milliseconds) to pause between pixels

int distance=0;

void setup() {

strip.begin();

strip.show();  // Initialize all pixels to 'off'

strip.setBrightness(50);

Serial.begin(115200); // Open serial monitor at 115200 baud to see ping results

}

void loop() {

delay(50); // Wait 50ms between pings (about 20 pings/sec). 29ms should be the shortest delay between pings.

Serial.print("Ping: ");

Serial.print(sonar.ping_cm()); // Send ping, get distance in cm and print result (0 = outside set distance range)

Serial.println("cm");

distance= sonar.ping_cm();

if (distance<10){

colorWipe(strip.Color(255, 0, 0), 50); // Red

}

if ((distance >10) && (distance<20)){

colorWipe(strip.Color(0, 255, 0), 50);//blue

}

if (distance >30) {

colorWipe(strip.Color(0, 0, 255), 50);//green

  }

}

void colorWipe(uint32_t color, int wait) {

for(int i=0; i<strip.numPixels(); i++) { // For each pixel in strip...

strip.setPixelColor(i, color); // Set pixel's color (in RAM)

strip.show(); // Update strip to match

delay(wait); // Pause for a moment

  }

}

#include <DistanceSensor.h>

// Define pins

const int echoPin = 12;

const int trigPin = 13;

// Start the sensor

DistanceSensor sensor(trigPin, echoPin);

#include <Adafruit_NeoPixel.h>

#define PIN 6 //

#define NUMPIXELS 10 //

Adafruit_NeoPixel strip(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 50 // Time (in milliseconds) to pause between pixels

void setup() {

strip.begin();

strip.show(); // Initialize all pixels to 'off'

strip.setBrightness(50);

Serial.begin(115200); // Open serial monitor at 115200 baud to see ping results

}

void loop() {

int distance = sensor.getCM();

Serial.print("Distance: "); // Write values to serial port

Serial.print(distance);

Serial.println("cm");

if (distance<10){

colorWipe(strip.Color(255, 0, 0), 50); // Red

}

if ((distance >10) && (distance<20)){

colorWipe(strip.Color(0, 255, 0), 50);//green

}

if (distance >30) {

colorWipe(strip.Color(0, 0, 255), 50);//blue

}

}

void colorWipe(uint32_t color, int wait) {

for (int i = 0; i < strip.numPixels(); i++) {

strip.setPixelColor(i, color);

strip.show();

delay(wait);

}

}