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#define BLYNK_TEMPLATE_ID "TMPL3qTcuIUhb" #define BLYNK_TEMPLATE_NAME "IIT" #define BLYNK_AUTH_TOKEN "-xGUBb12P69hwnGboUgZMzIVZL45nmzJ" #define BLYNK_PRINT Serial #include
#include
#include
// -------- PIN SETUP ---------- #define light1 D1 #define light2 D2 #define light3 D3 #define wifiLed D0 // -------- WIFI DETAILS ---------- char ssid[] = "TestESP"; char pass[] = "12345678"; char auth[] = BLYNK_AUTH_TOKEN; // -------- NTP SETTINGS ---------- const char* ntpServer = "pool.ntp.org"; const long gmtOffset_sec = 19800; // +5:30 for India const int daylightOffset_sec = 0; // -------- FLAGS ---------- bool autoMode = true; // Default auto ON (6 PM – 6 AM) // -------- BLYNK BUTTONS ---------- BLYNK_WRITE(V0) { // Light 1 bool v = param.asInt(); autoMode = false; // Disable auto if user toggles manually digitalWrite(light1, v ? LOW : HIGH); } BLYNK_WRITE(V1) { // Light 2 bool v = param.asInt(); autoMode = false; digitalWrite(light2, v ? LOW : HIGH); } BLYNK_WRITE(V2) { // Light 3 bool v = param.asInt(); autoMode = false; digitalWrite(light3, v ? LOW : HIGH); } BLYNK_WRITE(V3) { // Auto Mode ON/OFF autoMode = param.asInt(); } // -------- SETUP ---------- void setup() { Serial.begin(9600); pinMode(light1, OUTPUT); pinMode(light2, OUTPUT); pinMode(light3, OUTPUT); pinMode(wifiLed, OUTPUT); digitalWrite(light1, HIGH); digitalWrite(light2, HIGH); digitalWrite(light3, HIGH); digitalWrite(wifiLed, HIGH); WiFi.begin(ssid, pass); Serial.print("Connecting to WiFi"); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println("\nConnected!"); digitalWrite(wifiLed, LOW); configTime(gmtOffset_sec, daylightOffset_sec, ntpServer); Blynk.begin(auth, ssid, pass); } // -------- LOOP ---------- void loop() { Blynk.run(); if (autoMode) { time_t now = time(nullptr); struct tm* t = localtime(&now); int hourNow = t->tm_hour; // 6 PM → 6 AM lights ON if (hourNow >= 18 || hourNow < 6) { digitalWrite(light1, LOW); digitalWrite(light2, LOW); digitalWrite(light3, LOW); } else { digitalWrite(light1, HIGH); digitalWrite(light2, HIGH); digitalWrite(light3, HIGH); } } delay(1000); }
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