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Rain Alert System Using Arduino
Just Do Electronics
November 29, 2021
Circuit Diagram :-
Code :-
//Prateek //wwww.prateeks.in //https://www.youtube.com/c/JustDoElectronics/videos #include
#define RAIN_SENSOR A0 int rain_value = 0; int rain_default=10; boolean rain_flag = 0; const String PHONE = "+918830584864"; #define rxPin 2 #define txPin 3 SoftwareSerial sim800L(rxPin,txPin); void setup() { Serial.begin(115200); sim800L.begin(9600); pinMode(RAIN_SENSOR,INPUT); Serial.println("Initializing..."); sim800L.println("AT"); delay(1000); sim800L.println("AT+CMGF=1"); delay(1000); } void loop() { while(sim800L.available()){ Serial.println(sim800L.readString()); } rain_value = analogRead(RAIN_SENSOR); rain_value = map(rain_value,0,1023,225,0); if(rain_value>=rain_default) { if(rain_flag == 0) { Serial.println("Rain is Detected."); rain_flag == 1; send_sms(); make_call(); } } else { if(rain_flag == 1) {Serial.println("Rain is not Detected.");} rain_flag = 0; } } void make_call() { Serial.println("calling...."); sim800L.println("ATD"+PHONE+";"); delay(20000); //20 sec delay sim800L.println("ATH"); delay(1000); //1 sec delay } void send_sms() { Serial.println("sending sms...."); delay(50); sim800L.print("AT+CMGF=1\r"); delay(1000); sim800L.print("AT+CMGS=\""+PHONE+"\"\r"); delay(1000); sim800L.print(" Rain Alarm Plz Check Your Window"); delay(100); sim800L.write(0x1A); delay(5000); }
GitHub Link :-
Code
Video :-
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