Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
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());
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session.