Wireless Temperature monitoring system using Bluetooth Or LM-35

Wireless Temperature monitoring Using LM35 Sensor

Circuit Diagram :-

Code :-

//Prateek //www.prateeks.in #include <SoftwareSerial.h> SoftwareSerial mySerial(8, 9); int tempPin = A0; int read_ADC= 0; double temp = 0; double tempC = 0; double tempF = 0; void setup() { Serial.begin(9600); mySerial.begin(9600); Serial.println("Ready"); mySerial.println("Ready"); pinMode(tempPin, INPUT); for(int i=0; i>-60; i-= 1){ } } void loop(){ read_ADC =0; for (int i=0; i < 100; i++){ read_ADC = read_ADC+ analogRead(tempPin); delay(1); } read_ADC = read_ADC/100; temp = (read_ADC / 1023.0) * 5000; // 5000 to get millivots. tempC = temp * 0.1; // 500 is the offset tempF = (tempC * 1.8) + 32; // conver to F mySerial.print("S"); mySerial.print(";"); mySerial.print(tempC,0); //send distance to MIT App mySerial.print(";"); mySerial.print(tempF,0); //send distance to MIT App mySerial.println(";"); delay(10000); }

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