Hackster is hosting Hackster Holidays, Ep. 6: Livestream & Giveaway Drawing. Watch previous episodes or stream live on Monday!Stream Hackster Holidays, Ep. 6 on Monday!
Huy Mai
Created March 1, 2020

Illuminate - A Smart Night Light

A Smart night light that utilized the smart sense technology to create elegant design and predict user movement.

IntermediateFull instructions provided15 hours66

Things used in this project

Story

Read more

Custom parts and enclosures

part1_CsBk2DYypt.STL

part2_KocGcqCc0w.STL

part3_GpaNbSuMOX.STL

Schematics

Layout

Code

Arduino Sketch

Arduino
//#define BLYNK_USE_DIRECT_CONNECT
#include <BlynkSimpleCurieBLE.h>
#include <CurieBLE.h>
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif
#define PIN        A0
#define NUMPIXELS 2
#define BLYNK_PRINT Serial
#define MAXIMUM_BRIGHTNESS 255
#define MEDIUM_BRIGHTNESS  130


Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
BLEPeripheral  blePeripheral;

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "KgvVFbtQXaUkINbxWslpJMObn8Fw2X4L";

int Brightness; // variable to change brightness
int ColourNumber; 
int red;   //
int green; // variables for custom colour
int blue;  //
int maxBrightness = 150;
int minBrightness = 3;
int ispulsing = 0;
int poweroff = 0; 
int Pyro = A1;
int counter = 0; 
unsigned long PyroRead = 0;
unsigned long IR_threshold = 198000; 

// Note: SS-430 has two pulses of 200msec per detection.
// IR_threshold is in microsec (usec), therefore 198msec threshold 
int IR_sensed = 0;

//Variables
int value;          // Store value from photoresistor (0-1023)
int buttonvalues; //Define a numeric variable

void setup(){
 Serial.begin(9600);
 pixels.begin();
 pixels.setBrightness(10);
 pixels.show();

 pinMode(buttonpin,INPUT);
 pinMode(SS430, INPUT);// Set SS430 - A1 pin as an input 

 delay(1000);

 blePeripheral.setLocalName("Kemet");
 blePeripheral.setDeviceName("Kemet");
 blePeripheral.setAppearance(384);
 Blynk.begin(auth, blePeripheral);
 blePeripheral.begin();
 
}

void loop(){
  Blynk.run();
  blePeripheral.poll();

  PyroRead = pulseIn(A1, HIGH); //Measure trigger point
  if(PyroRead > IR_threshold){ //Make sure trigger is over 198msec)
    pulse();
  }
  delay(50); //Small delay
}


// Fill the dots one after the other with a color
void colorWipe(uint32_t c, uint8_t wait) {
  for (uint16_t i = 0; i < pixels.numPixels(); i++) {
    pixels.setPixelColor(i, c);
    pixels.show();
    delay(wait);
  }
}

void pulse() {
  // fade in
  for (int x = minBrightness; x < MAXIMUM_BRIGHTNESS; x++) {
     pixels.setBrightness(x);
     pixels.show();  
     delay(10); //Small delay

   }
  // fade out
  for (int x = MAXIMUM_BRIGHTNESS; x >= minBrightness; x--) {
    pixels.setBrightness(x);
    pixels.show();  
    delay(10); //Small delay

  }
}

BLYNK_WRITE(V4) //read slider value for red
{
  int pinValue = param.asInt(); // assigning incoming value from pin V4 to a variable
  // You can also use:
  // String i = param.asStr();
  // double d = param.asDouble();
  Serial.print("red Slider value is: ");
  Serial.println(pinValue);
  red = map(pinValue, 0, 1023, 0, 255);
}

BLYNK_WRITE(V5) //read slider value for green
{
  int pinValue = param.asInt(); // assigning incoming value from pin V5 to a variable
  // You can also use:
  // String i = param.asStr();
  // double d = param.asDouble();
  Serial.print("green Slider value is: ");
  Serial.println(pinValue);
  green = map(pinValue, 0, 1023, 0, 255);
}

BLYNK_WRITE(V6) //read slider value for blue
{
  int pinValue = param.asInt(); // assigning incoming value from pin V6 to a variable
  // You can also use:
  // String i = param.asStr();
  // double d = param.asDouble();
  Serial.print("blue Slider value is: ");
  Serial.println(pinValue);
  blue = map(pinValue, 0, 1023, 0, 255);
}

BLYNK_WRITE(V2) //read button value
{
  int pinValue = param.asInt(); // assigning incoming value from pin V2 to a variable
  Serial.print("Button value: ");
  Serial.println(pinValue);
  switch (pinValue) {
    case 1: //white 
    {
      colorWipe(pixels.Color(255, 255, 255), 50); // White
      break;
    }
    
    case 2: //purple
    {
      colorWipe(pixels.Color(106, 13, 173), 50); // White
      break;
    }
    
    case 3://yellow
    {
      colorWipe(pixels.Color(250, 218, 94), 50); // White
      break;
    }

    
    case 4://Turquoise
    {
      colorWipe(pixels.Color(0, 255, 239), 50); // White
      break;
    }
   
    case 5://Custom
    {
      colorWipe(pixels.Color(red, green, blue), 50); // White
      break;
    }
  }
}

BLYNK_WRITE(V1) //read slider value
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  // You can also use:
  // String i = param.asStr();
  // double d = param.asDouble();
  Serial.print("V1 Slider value is: ");
  Serial.println(pinValue);
  Brightness = map(pinValue, 0, 1023, 1, 255);
  pixels.setBrightness(Brightness);
  pixels.show();
}

BLYNK_WRITE(V0) //read slider value
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  // You can also use:
  // String i = param.asStr();
  // double d = param.asDouble();
  Serial.print("V0 is: ");
  Serial.println(pinValue);
  ispulsing = pinValue;
}

BLYNK_WRITE(V7) //read slider value
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  poweroff = pinValue;
}

BLYNK_WRITE(V8) //read slider value
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  poweroff = pinValue;
}

Credits

Huy Mai

Huy Mai

9 projects • 12 followers
Hardware Engineer

Comments