IDeATe

Outcome

Goal

To create an ambient calendar alert using a neopixel strip

Step 1

Setting up basic connections


// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>
// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);
void setup() {
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}
void loop() {
    uint16_t i;
    uint32_t c = strip.Color(255, 255, 255);
    
    for(i=0; i< strip.numPixels(); i++) {
        
        strip.setPixelColor(i, c );
        strip.show();
        delay( 100 );
      }
        
    delay( 100 );
}
Ready.Last Event: particle/device/updates/pending = false yashasvi_14  v1.5.2

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Step 2

Modify the code to light up blue, then red, then green then white in sequence

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// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>

// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

void setup() {

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

}

void loop() {

    uint16_t i;
    uint32_t c = strip.Color(0, 0, 255);
    uint32_t d = strip.Color(255, 0, 0);
    uint32_t e = strip.Color(0, 128, 0);
    uint32_t f = strip.Color(255, 255, 255);
    
    for(i=0; i< strip.numPixels(); i++) {
        
        strip.setPixelColor(i, c );
    	strip.show();
    	delay( 100 );
      }
    	
    delay( 100 );
    
    for(i=0; i< strip.numPixels(); i++) {
        
        strip.setPixelColor(i, d );
    	strip.show();
    	delay( 100 );
      }
    	
    delay( 100 );
    
    for(i=0; i< strip.numPixels(); i++) {
        
        strip.setPixelColor(i, e );
    	strip.show();
    	delay( 100 );
      }
    	
    delay( 100 );
    
    for(i=0; i< strip.numPixels(); i++) {
        
        strip.setPixelColor(i, f );
    	strip.show();
    	delay( 100 );
      }
    	
    delay( 100 );



}

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Step 3

Setting up particle cloud function to change colors from white to red

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// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>

// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812

Adafruit_NeoPixel light_ring = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);


bool lightStatus = false;

void setup() {

  light_ring.begin();
  light_ring.show(); // Initialize all pixels to 'off'
  
  Particle.function("sync-on",turnOn);
  Particle.function("sync-off",turnOff);

}


int turnOn(String command)
{
    lightStatus = true;
    return 0;
}


int turnOff(String command)
{
    lightStatus = false;
    return 0;
}


void loop(){
 
    
    if(lightStatus == true){
        
        for(int i=0; i<light_ring.numPixels(); i++){
            light_ring.setPixelColor(i,255,0,0); //red
        }
        light_ring.show();
        
    }else{
        
        for(int i=0; i<light_ring.numPixels(); i++){
            light_ring.setPixelColor(i,255,255,255); //white
        }
        light_ring.show();
    }
}

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Step 4

Setting up particle to change color by gradual dimming

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// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>

// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812

Adafruit_NeoPixel light_ring = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

int brightness = 0;
unsigned long timeAtParticleFunction = 0;
unsigned long timeFade = 30*1000;

bool lightStatus = false;

void setup() {

  light_ring.begin();
  light_ring.show(); 
  
  Particle.function("sync-on",turnOn);
  Particle.function("sync-off",turnOff);

}


int turnOn(String command)
{
    lightStatus = true;
    timeAtParticleFunction = millis();
    return 0;
}


int turnOff(String command)
{
    lightStatus = false;
    timeAtParticleFunction = millis();
    return 0;
}


void loop(){
    
    if(lightStatus == true){
        
        // for(int i=0; i<light_ring.numPixels(); i++){
        //     light_ring.setPixelColor(i,255,0,0); //red
    
        // }
        
        // light_ring.show();
        unsigned long timeNow = millis();
        
        if(  timeAtParticleFunction + timeFade < timeNow ){
            // lightStatus = false;
            
            // this will step up the brightness from 255 to 0
            for( int brightness = 255; brightness > 0; brightness++ ){
                // loop over each led and set the brightness 
                for( int i = 0; i < light_ring.numPixels(); i++ ){
                    light_ring.setPixelColor( i, brightness, 0 , 0 );
                }
                light_ring.show();
                delay( 100 );
            }
        }
        
        
    }else{
        
        for(int i=0; i<light_ring.numPixels(); i++){
            light_ring.setPixelColor(i,255,255,255); //white
        }
        light_ring.show();
        

    }
    
}

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Outcome

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Step 1

Attribution

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Step 2

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