Pametna rasvjeta s pametnom budilicom. Kontrolira se s Blynk aplikacije, a gasi se prekidom laserske zrake usmjerene u fotootpornik.

Shema grafički prikazuje projekt pametne budilice.

Shemu ovoga projekta možete preuzeti ovdje.

#define BLYNK_PRINT SerialUSB
#include 
#include 
#include 
#include 
#include 

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "b6866a82e925480db0520a53b9a5c3cb";

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "P2 Lite";
char pass[] = "12345678ab";

int fo = A0;
int r = 3, b = 5, g = 4;
int laser = 7;
int alarm = 0;
int hours, minutes, seconds, currTime;
int diff;
int brightness = 0;
int last = 0;
int cnt = 0;
int changed = 0;
bool radi = true;

WidgetTerminal terminal(V1);
WidgetRTC rtc;

BLYNK_WRITE(V1)
{
  String curr = param.asStr();
  if (String("on") == param.asStr()) { //upali ledicu
    terminal.println("Palim svjetlo");
    radi = true;
  }
  else if (String("off") == param.asStr()) { //ugasi ledicu
    terminal.println("Gasim svjetlo");
    analogWrite(r, 0);
    analogWrite(g, 0);
    analogWrite(b, 0);
    radi = false;
  }
  else if (curr.length() > 12){ //postavi alarm za pametnu budilicu
    radi = true;
    String alarmStr = "";
    for (int i = 13; i < curr.length(); ++i){ alarmStr += curr[i]; } int h = ((alarmStr[0] - '0') * 10) + (alarmStr[1] - '0'); int m = ((alarmStr[3] - '0') * 10) + (alarmStr[4] - '0'); alarm = h * 3600 + m*60; terminal.println("Your alarm is set to :" + alarmStr); last = 130; } terminal.flush(); } void changeBrightness(){ //ovo sluzi za mijenjanje boja dok pametna budilica radi hours = hour(); minutes = minute(); currTime = hours * 3600 + minutes * 60 + second(); diff = alarm - currTime; if (diff > 120 || diff < 0){
    return;
  }
  if (diff < 120 && last != 120){
    analogWrite(r, 150);
    analogWrite(g, 150);
    analogWrite(b, 0);
  }
  if (diff < 110 && last != 110){
    analogWrite(r, 100);
    analogWrite(g, 100);
    analogWrite(b, 0);
  }
  if (diff < 100){
    analogWrite(r, 150);
    analogWrite(g, 150);
    analogWrite(b, 0);
  }
  if (diff < 90 && last != 90){
    analogWrite(r, 150);
    analogWrite(g, 100);
    analogWrite(b, 0);
  }
  if (diff < 80){
    analogWrite(r, 100);
    analogWrite(g, 100);
    analogWrite(b, 0);
  }
  if (diff < 70){
    analogWrite(r, 150);
    analogWrite(g, 100);
    analogWrite(b, 0);
  }
  if (diff < 60){
    analogWrite(r, 200);
    analogWrite(g, 150);
    analogWrite(b, 0);
  }
  if (diff < 50){
    analogWrite(r, 150);
    analogWrite(g, 150);
    analogWrite(b, 0);
  }
  if (diff < 40){
    analogWrite(r, 200);
    analogWrite(g, 200);
    analogWrite(b, 0);
  }
  if (diff < 30){
    analogWrite(r, 250);
    analogWrite(g, 200);
    analogWrite(b, 0);
  }
  if (diff < 20){
    analogWrite(r, 200);
    analogWrite(g, 200);
    analogWrite(b, 0);
  }
  if (diff < 10){
    analogWrite(r, 250);
    analogWrite(g, 200);
    analogWrite(b, 0);
  }
}

void saveEnergy(){ //ugasi svijetlo ako izadem iz sobe
  int val = analogRead(fo);
  if (val < 200 && changed == 0){ analogWrite(r, 0); analogWrite(b, 0); analogWrite(g, 0); changed = 1; } else if (val > 200){
    changed = 0;
    r = 3;
    g = 4;
    b = 5;
  }
}

void cs(){
  for (int i = 0; i <= 24; i++) {
     terminal.println("");
  }
  terminal.flush();  
}

BLYNK_CONNECTED() {
  rtc.begin();
}

void setup()
{
  changed = 0;
  SerialUSB.begin(9600);
  Blynk.begin(auth, ssid, pass);
  cs();
  pinMode(r, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(laser, OUTPUT);
}

void loop()
{
  Serial.println(radi);
  Blynk.run();
  if (radi){ //provjera dal radi

    
    digitalWrite(laser, HIGH);
    changeBrightness();
    saveEnergy();
  }
  else {
    analogWrite(r, 0);  
    analogWrite(g, 0);  
    analogWrite(b, 0);  
  }
}

Arduino program ovoga projekta možete preuzeti ovdje.

Projekt su izradili Filip Višnić i Boris Španić uz mentorstvo Dine Abrule iz OŠ Zamet.

Projekt je prijavljen na temu: Internet of Things: Pametna rasvjeta.