Arduinoでスマートホームを作る：模型の家、センサー、コード、アプリ

1#include <SPI.h>
2#include <MFRC522.h>
3#include <Servo.h>
4#include <DHT.h>
5#include <Wire.h>
6#include <LiquidCrystal_I2C.h>
7
8// Pinler / Pins
9const byte PIR_PIN = 2, FLAME_PIN = 3, DHT_PIN = 4, BUZZER_PIN = 5, DOOR_PIN = 6;
10const byte LAMP_RELAY = 7, FAN_RELAY = 8, RST_PIN = 9, SS_PIN = 10;
11const byte GAS_PIN = A0, LDR_PIN = A1, WINDOW_PIN = A2;
12
13// Ayarlar / Settings
14const byte RELAY_ON = LOW, RELAY_OFF = HIGH;     // aktif LOW röle / active-LOW relay
15const byte FLAME_ACTIVE = LOW;                   // alev görünce DO LOW olur / DO goes LOW on flame
16const int GAS_LIMIT = 400;                       // temiz havaya göre ayarla / tune in clean air
17const int DARK_LIMIT = 300;                      // bunun altı karanlık / below this is dark
18const float FAN_ON = 28.0, FAN_OFF = 26.0;       // fan histerezisi (°C) / fan hysteresis (°C)
19const unsigned long LIGHT_MS = 20000;            // son hareketten sonra ışık / light after last motion
20const unsigned long DOOR_MS = 5000;              // kapı açık kalma süresi / door open time
21const unsigned long WARMUP_MS = 60000;           // MQ-2 ve PIR ısınması / MQ-2 and PIR warm-up
22
23const byte CARDS[][4] = {                        // yetkili kart UID'leri / authorised card UIDs
24  {0xA1, 0xB2, 0xC3, 0xD4},
25  {0x12, 0x34, 0x56, 0x78}
26};
27
28MFRC522 rfid(SS_PIN, RST_PIN);
29Servo door, window;
30DHT dht(DHT_PIN, DHT11);
31LiquidCrystal_I2C lcd(0x27, 16, 2);
32
33float tempC = 0, hum = 0;
34int gas = 0;
35bool lightOn = false, fanOn = false, doorOpen = false, alarmOn = false;
36unsigned long lastMotion = 0, doorAt = 0, lastDht = 0, lastLcd = 0, beepUntil = 0;
37
38void setup() {
39  Serial.begin(9600);
40  digitalWrite(LAMP_RELAY, RELAY_OFF); pinMode(LAMP_RELAY, OUTPUT);  // açılışta kapalı / off at boot
41  digitalWrite(FAN_RELAY, RELAY_OFF);  pinMode(FAN_RELAY, OUTPUT);
42  pinMode(PIR_PIN, INPUT);
43  pinMode(FLAME_PIN, INPUT);
44  pinMode(BUZZER_PIN, OUTPUT);
45  door.write(0);   door.attach(DOOR_PIN);        // önce açı, sonra attach / angle first, then attach
46  window.write(0); window.attach(WINDOW_PIN);
47  dht.begin();
48  SPI.begin();
49  rfid.PCD_Init();
50  lcd.init();
51  lcd.backlight();
52  lcd.print(F("BlueGrays Ev"));
53}
54
55void loop() {
56  unsigned long now = millis();
57  handleLight(now);
58  handleClimate(now);
59  handleSafety(now);
60  handleDoor(now);
61  bool beep = (long)(beepUntil - now) > 0;
62  digitalWrite(BUZZER_PIN, beep || (alarmOn && (now / 250) % 2));   // alarmda kesik bip / pulsed beep on alarm
63  updateLcd(now);
64}
65
66// 1) Hareketle ışık / motion light
67void handleLight(unsigned long now) {
68  if (now < WARMUP_MS) return;                   // PIR ısınıyor / PIR warming up
69  if (digitalRead(PIR_PIN) == HIGH) {
70    lastMotion = now;
71    if (analogRead(LDR_PIN) < DARK_LIMIT) lightOn = true;   // yalnız karanlıkta yak / only when dark
72  }
73  if (lightOn && now - lastMotion > LIGHT_MS) lightOn = false;
74  digitalWrite(LAMP_RELAY, lightOn ? RELAY_ON : RELAY_OFF);
75}
76
77// 2) Sıcaklık ve fan / temperature and fan
78void handleClimate(unsigned long now) {
79  if (now - lastDht < 2000) return;              // DHT11'i sık okuma / don't read DHT11 too often
80  lastDht = now;
81  float t = dht.readTemperature();
82  float h = dht.readHumidity();
83  if (isnan(t) || isnan(h)) return;              // okuma hatası / read error
84  tempC = t;
85  hum = h;
86  if (tempC >= FAN_ON) fanOn = true;
87  if (tempC <= FAN_OFF) fanOn = false;
88  digitalWrite(FAN_RELAY, fanOn ? RELAY_ON : RELAY_OFF);
89}
90
91// 3) Gaz ve yangın / gas and fire
92void handleSafety(unsigned long now) {
93  gas = analogRead(GAS_PIN);
94  bool gasAlarm = now > WARMUP_MS && gas > GAS_LIMIT;
95  bool fire = digitalRead(FLAME_PIN) == FLAME_ACTIVE;
96  alarmOn = gasAlarm || fire;
97  window.write(gasAlarm && !fire ? 90 : 0);      // gazda aç, yangında kapalı tut / open on gas, shut on fire
98}
99
100// 4) RFID kapı / RFID door
101void handleDoor(unsigned long now) {
102  if (doorOpen && now - doorAt > DOOR_MS) {
103    door.write(0);                               // süre dolunca kapat / close when time is up
104    doorOpen = false;
105  }
106  if (!rfid.PICC_IsNewCardPresent() || !rfid.PICC_ReadCardSerial()) return;
107  Serial.print(F("UID:"));                       // yeni kartın UID'sini öğren / learn a new card's UID
108  for (byte i = 0; i < rfid.uid.size; i++) {
109    Serial.print(' ');
110    Serial.print(rfid.uid.uidByte[i], HEX);
111  }
112  Serial.println();
113  if (isAllowed(rfid.uid.uidByte)) {
114    door.write(90);
115    doorOpen = true;
116    doorAt = now;
117    beepUntil = now + 100;                       // kısa bip: hoş geldin / short beep: welcome
118  } else {
119    beepUntil = now + 800;                       // uzun bip: yetkisiz kart / long beep: unknown card
120  }
121  rfid.PICC_HaltA();
122}
123
124bool isAllowed(const byte *uid) {
125  for (byte i = 0; i < sizeof(CARDS) / 4; i++) {
126    if (memcmp(uid, CARDS[i], 4) == 0) return true;
127  }
128  return false;
129}
130
131// 5) Ekran / display
132void updateLcd(unsigned long now) {
133  if (now - lastLcd < 1000) return;
134  lastLcd = now;
135  lcd.setCursor(0, 0);
136  lcd.print(F("T:"));
137  lcd.print(tempC, 0);
138  lcd.print(F("C Nem:%"));
139  lcd.print(hum, 0);
140  lcd.print(F("   "));
141  lcd.setCursor(0, 1);
142  if (alarmOn) {
143    lcd.print(F("!! ALARM !!     "));
144  } else if (doorOpen) {
145    lcd.print(F("Hos geldin!     "));
146  } else {
147    lcd.print(F("Gaz:"));
148    lcd.print(gas);
149    lcd.print(F("        "));
150  }
151}

1#include <WiFi.h>
2#include <WebServer.h>
3#include <ESP32Servo.h>
4#include <DHT.h>
5
6const char* ssid = "AgAdi";                 // Wi-Fi adın / your Wi-Fi name
7const char* password = "Sifre123";          // Wi-Fi şifren / your Wi-Fi password
8
9const int LAMP_RELAY = 26, FAN_RELAY = 27;
10const int DOOR_PIN = 32, WINDOW_PIN = 33;
11const int DHT_PIN = 13, GAS_PIN = 34;       // GPIO 34: ADC1, bölücüyle / ADC1, through a divider
12const int RELAY_ON = LOW, RELAY_OFF = HIGH; // aktif LOW röle / active-LOW relay
13
14WebServer server(80);
15Servo door, window;
16DHT dht(DHT_PIN, DHT11);
17
18bool lamp = false, fan = false, doorOpen = false, windowOpen = false;
19float tempC = NAN, hum = NAN;
20unsigned long lastDht = 0;
21
22void apply() {                              // durumu donanıma uygula / push the state to the hardware
23  digitalWrite(LAMP_RELAY, lamp ? RELAY_ON : RELAY_OFF);
24  digitalWrite(FAN_RELAY, fan ? RELAY_ON : RELAY_OFF);
25  door.write(doorOpen ? 90 : 0);
26  window.write(windowOpen ? 90 : 0);
27}
28
29String button(const char* id, const char* label, bool on) {
30  return String("<a class='b ") + (on ? "on" : "off") + "' href='/set?d=" + id +
31         "&v=" + (on ? "0" : "1") + "'>" + label + (on ? ": ON" : ": OFF") + "</a>";
32}
33
34void handleRoot() {
35  String html = "<!DOCTYPE html><html><head><meta charset='utf-8'>"
36                "<meta name='viewport' content='width=device-width,initial-scale=1'>"
37                "<meta http-equiv='refresh' content='10'><title>BlueGrays Ev</title>"
38                "<style>body{font-family:sans-serif;text-align:center}"
39                ".b{display:block;margin:12px auto;padding:18px;max-width:320px;border-radius:10px;"
40                "color:#fff;text-decoration:none;font-size:20px}"
41                ".on{background:#2e7d32}.off{background:#607d8b}</style></head><body>"
42                "<h2>BlueGrays Akıllı Ev</h2>";
43  html += "<p>" + String(tempC, 1) + " °C | %" + String(hum, 0) +
44          " | Gaz/Gas: " + String(analogRead(GAS_PIN)) + "</p>";
45  html += button("lamp", "Lamba / Lamp", lamp);
46  html += button("fan", "Fan", fan);
47  html += button("door", "Kapı / Door", doorOpen);
48  html += button("window", "Pencere / Window", windowOpen);
49  html += "</body></html>";
50  server.send(200, "text/html", html);
51}
52
53void handleSet() {                          // /set?d=lamp&v=1
54  String d = server.arg("d");
55  bool v = server.arg("v") == "1";
56  if (d == "lamp") lamp = v;
57  else if (d == "fan") fan = v;
58  else if (d == "door") doorOpen = v;
59  else if (d == "window") windowOpen = v;
60  apply();
61  server.sendHeader("Location", "/");       // ana sayfaya dön / back to the main page
62  server.send(303);
63}
64
65void setup() {
66  Serial.begin(115200);
67  door.attach(DOOR_PIN, 500, 2400);
68  window.attach(WINDOW_PIN, 500, 2400);
69  pinMode(LAMP_RELAY, OUTPUT);
70  pinMode(FAN_RELAY, OUTPUT);
71  apply();                                  // her şey kapalı başlar / everything starts off
72  dht.begin();
73  WiFi.begin(ssid, password);
74  while (WiFi.status() != WL_CONNECTED) {
75    delay(500);
76    Serial.print('.');
77  }
78  Serial.println();
79  Serial.println(WiFi.localIP());           // bu adresi telefonda aç / open this address on your phone
80  server.on("/", handleRoot);
81  server.on("/set", handleSet);
82  server.begin();
83}
84
85void loop() {
86  server.handleClient();
87  if (millis() - lastDht > 2000) {          // 2 sn'de bir ölç / measure every 2 s
88    lastDht = millis();
89    float t = dht.readTemperature();
90    float h = dht.readHumidity();
91    if (!isnan(t) && !isnan(h)) {
92      tempC = t;
93      hum = h;
94    }
95  }
96}

1#define BLYNK_TEMPLATE_ID "TMPLxxxxxxx"     // Blynk konsolundan kopyala / copy from the Blynk console
2#define BLYNK_TEMPLATE_NAME "Akilli Ev"
3#define BLYNK_AUTH_TOKEN "TokenBuraya"
4
5#include <WiFi.h>
6#include <BlynkSimpleEsp32.h>
7#include <DHT.h>
8
9const int LAMP_RELAY = 26;                  // aktif LOW röle / active-LOW relay
10DHT dht(13, DHT11);
11BlynkTimer timer;
12
13BLYNK_WRITE(V0) {                           // uygulamadaki anahtar / switch widget in the app
14  digitalWrite(LAMP_RELAY, param.asInt() ? LOW : HIGH);
15}
16
17BLYNK_CONNECTED() {
18  Blynk.syncVirtual(V0);                    // bağlanınca son durumu al / restore the last state
19}
20
21void sendSensors() {
22  float t = dht.readTemperature();
23  float h = dht.readHumidity();
24  if (isnan(t) || isnan(h)) return;
25  Blynk.virtualWrite(V1, t);                // sıcaklık / temperature
26  Blynk.virtualWrite(V2, h);                // nem / humidity
27}
28
29void setup() {
30  pinMode(LAMP_RELAY, OUTPUT);
31  digitalWrite(LAMP_RELAY, HIGH);           // açılışta kapalı / off at boot
32  dht.begin();
33  Blynk.begin(BLYNK_AUTH_TOKEN, "AgAdi", "Sifre123");
34  timer.setInterval(5000L, sendSensors);    // 5 sn'de bir: mesaj kotasını korur / every 5 s saves quota
35}
36
37void loop() {
38  Blynk.run();
39  timer.run();
40}

1from machine import Pin, ADC
2import time
3
4pir = Pin(15, Pin.IN)                  # PIR OUT (3,3 V çıkış / 3.3 V output)
5ldr = ADC(26)                          # GP26: bölücü 3V3'ten / divider fed from 3V3
6relay = Pin(14, Pin.OUT, value=1)      # aktif LOW röle, kapalı başla / active-LOW relay, start off
7
8LIGHT_MS = 20000                       # son hareketten sonra ışık / light after last motion
9DARK = 20000                           # bunun altı karanlık / below this is dark
10last = time.ticks_ms()
11on = False
12
13while True:
14    now = time.ticks_ms()
15    if pir.value():
16        last = now
17        if ldr.read_u16() < DARK:      # yalnız karanlıkta yak / only when dark
18            on = True
19    if on and time.ticks_diff(now, last) > LIGHT_MS:
20        on = False
21    relay.value(0 if on else 1)
22    time.sleep_ms(50)