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LM35_temperature sensor and LED controller_ Amarino Evaluation Shield
#include <MeetAndroid.h>
MeetAndroid meetAndroid;
#include <LiquidCrystal.h>
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(13, 12, 10, 9, 8, 7);
int redLed = 11;
int sensorPin = A0;
void setup()
{
Serial.begin(9600);
lcd.begin(16, 2);
Serial.begin(9600);
lcd.write("Temperature data");
//////////////////////////////////////////
pinMode(sensorPin,INPUT);
meetAndroid.registerFunction(red,'o');
pinMode(redLed,OUTPUT);
analogWrite(redLed,20);
}
void loop()
{
meetAndroid.receive();
int value = analogRead(sensorPin);
//Serial.print(value);
//Serial.print(" > ");
float millivolts = (value / 1024.0) * 5000;
float celsius = millivolts / 10; // sensor output is 10mV per degree Celsius
Serial.print(celsius);
Serial.println(" degrees Celsius, ");
Serial.print( (celsius * 9)/ 5 + 32 ); // converts to fahrenheit
Serial.println(" degrees Fahrenheit");
Serial.print("From Amarino:");
meetAndroid.send(celsius);
//meetAndroid.send("celsius");
delay(1000); // wait for one second
}
void red(byte flag, byte numOfValues)
{
analogWrite(redLed, meetAndroid.getInt());
}
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