Go Down

Topic: arduino communication with a android (Read 5196 times) previous topic - next topic


Hi guys,

I am working on project where I am using an arduino mega and a bluetooth module to send a simple text to the andriod phone. I can build the program but I cant get to send the signal over to the phone.  The program structure is such , Once the led is high , the buzzer goes on and the signal is sent out to the HTC phone. Can somebody with a kind soul please help me with my program below.

best regards

#include <MeetAndroid.h>

MeetAndroid meetAndroid;

int buzzer = 48;                                 // Buzzer connected to digital pin 48
int ledPin = 50;                              // the number of the LED pin 50

// variables will change:
int ledState = 0;                                 // variable for reading the led status

void setup()
 pinMode(ledPin,INPUT);                              // pin 13 led as OUTPUT
 pinMode(buzzer, OUTPUT);                         // pin 48 buzzer as OUTPUT
 Serial.begin(115200);                           // start serial communication at 115200bps


void loop()
  ledState = digitalRead(ledPin);
 if( ledState == HIGH  )                            // if 'HIGH' was received
   digitalWrite(buzzer, HIGH);                // turn ON the buzzer
   Serial.print("Door is opened\r\n");         // print the message when the Mega received input from Serial1
   delay(5000);  // delay 5 seconds
   meetAndroid.receive();                   // read input pin and send result to Android
   meetAndroid.send(digitalRead(ledPin));   // add a little delay otherwise the phone is pretty busy
   digitalWrite(buzzer, LOW);            // otherwise turn it OFF
    delay(1000);                         // wait 1000ms for next reading



Hey bro, I followed the instructions from the below URL. I dowloaded the software which I was told into my htc phone. I paired it up with my bluetooth. I aint sure whether my program is right. so as to narrow down to the problem. The amarino software helps to retrieve data from the bluetooth itself. I am most probably sure it has to be the program.

best regards




Sorry guys,

I wasn't sure that cross posting was a illegal thing. I was just trying to get my options wider.

best regards

James C4S

Dec 21, 2010, 07:27 am Last Edit: Dec 21, 2010, 07:28 am by cmiyc Reason: 1
For the sake of google/future searches:

cross post #1:

cross post #2:

Do a minute amount of research and verify your phone is capable of the serial port Profile.
Capacitor Expert By Day, Enginerd by night.  ||  Personal Blog: www.baldengineer.com  || Electronics Tutorials for Beginners:  www.addohms.com

Go Up

Please enter a valid email to subscribe

Confirm your email address

We need to confirm your email address.
To complete the subscription, please click the link in the email we just sent you.

Thank you for subscribing!

via Egeo 16
Torino, 10131