Hey dude Can you make video about how to make the app for it..

Hi..can i know more detail about this? I am going to build project similar this.. thanks

Bhai link kàam ne kr rha

hi, how it send mp3 file from android app to arduino regards

У меня xiaomi 9t, и я не могу запитать плату ... Не загорается (what's up +7(999)906-12-36)

Nice app but i couldnt open the app link. Could you pls share recent app link?

Hi, where can i find the android app please ?

the app is no longer in the app store, do you have any link with the apk?

I can't find the app anymore

How To download the app , please share link,

app is not available in server. please provide proper link to get it. Thnak you

We can do it in mobile??????

these app is not exist in play.google

sir i am working with arduino project where i want same kind of functionality, so can you tell me which library is used in android for serial communication with arduino? email:- [email protected] Thank You SIr...

two way communication possible?

Where do I find vibration comand in App inventor?

which program are you using?

I wish to connect an Serial barcode scanner , but i need to charge battery and read barcodes at same time, but not is possible in a keyboard USB interface, in this mode it's possile ?

It´s possible to data transfer and battery charge simultaneously ?

Esse app não funciona. É uma bosta!

great can you share code for me !!! my gmail : [email protected] ,thank you so much

Hi, grate project! Is your code open source?

very nice..:)

can you make a detail video about this tutorial thanks

geht das wirklich?

hello, i want to have a communication beetween arduino and android because i am programming a bms (battery managament system) and i need a part of the code of your app. is it possible to help me please? :D

can you please post a link to the project. thanks in advance.

how can I know which tty is using my arduino?? thanks a lot

hi, thank you for your app, it is very good. If I use "app inventor" create app, how could i activity your app to read text from arduino via OTG cable?

Is it Samsung Galaxy Tab 3 SM-T210? i have the same tablet but if i'm connecting my usb it doesn't work...

can nyou send me the code of this project? i want it for my study [email protected]

Please check if your device support it cable :D

thanks for guidance but now i face some confusing problem my android Application code is complete and successfully run and create .apk but on testing time i am facing one error "please connect to serial device" and my code is ..... package akexorcist.rfidreader; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import java.io.IOException; import java.util.List; import java.util.Timer; import java.util.TimerTask; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import com.hoho.android.usbserial.driver.UsbSerialDriver; import com.hoho.android.usbserial.driver.UsbSerialProber; import com.hoho.android.usbserial.util.SerialInputOutputManager; import android.hardware.usb.UsbManager; import android.media.MediaPlayer; import android.content.Context; import android.content.res.AssetFileDescriptor; import android.util.Log; import android.view.Window; import android.widget.TextView; import android.widget.Toast; import app.akexorcist.rfidreader.R; public class Main extends Activity { private final String TAG = Main.class.getSimpleName(); UsbSerialDriver mSerialDevice; UsbManager mUsbManager; TextView textData; Timer timer; String strData = ""; boolean isBusy = false; private final ExecutorService mExecutor = Executors.newSingleThreadExecutor(); SerialInputOutputManager mSerialIoManager; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_main); mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE); List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllUsbSerialDrivers(mSerialDevice); if (availableDrivers.isEmpty()) { return; // textData = (TextView) findViewById(R.id.textData); } } protected void onPause() { super.onPause(); stopIoManager(); if (mSerialDevice != null) { try { mSerialDevice.close(); } catch (IOException e) { } mSerialDevice = null; } } protected void onResume() { super.onResume(); mSerialDevice = UsbSerialProber.acquire(mUsbManager); Log.d(TAG, "Resumed, mSerialDevice=" + mSerialDevice); if (mSerialDevice == null) { Toast.makeText(getApplicationContext() , "Please connect to serial device", Toast.LENGTH_SHORT).show(); finish(); } else { Toast.makeText(getApplicationContext() , getVendorName(mSerialDevice.getDevice().getVendorId()) , Toast.LENGTH_SHORT).show(); try { mSerialDevice.open(); mSerialDevice.setBaudRate(2400); } catch (IOException e) { Log.e(TAG, "Error setting up device: " + e.getMessage(), e); try { mSerialDevice.close(); } catch (IOException e2) { } mSerialDevice = null; Toast.makeText(getApplicationContext() , "Error setting up to device" , Toast.LENGTH_SHORT).show(); } } onDeviceStateChange(); } private String getVendorName(int vendorId) { if (vendorId == 1027) return "FTDI FT232R UART"; else if (vendorId == 0x2341) return "Arduino"; else if (vendorId == 5824) return "Teensyduino"; else if (vendorId == 4292) return "CP210x UART Bridge"; else if (vendorId == 1240) return "MCP2200"; return "Unknown"; } private void stopIoManager() { if (mSerialIoManager != null) { Log.i(TAG, "Stopping io manager .."); mSerialIoManager.stop(); mSerialIoManager = null; } } private void startIoManager() { if (mSerialDevice != null) { Log.i(TAG, "Starting io manager .."); mSerialIoManager = new SerialInputOutputManager(mSerialDevice, mListener); mExecutor.submit(mSerialIoManager); } } private void onDeviceStateChange() { stopIoManager(); startIoManager(); } private final SerialInputOutputManager.Listener mListener = new SerialInputOutputManager.Listener() { public void onRunError(Exception e) { } public void onNewData(final byte[] data) { if (!isBusy) { updateReceivedData(data); } } }; public void clearText() { runOnUiThread(new Runnable() { public void run() { strData = ""; textData.setText(""); } }); } public void playSound() { AssetFileDescriptor afd; try { afd = getAssets().openFd("sound/get_data.wav"); MediaPlayer player = new MediaPlayer(); player.setDataSource(afd.getFileDescriptor() , afd.getStartOffset(), afd.getLength()); player.prepare(); player.start(); } catch (IOException e) { } } public void sleep(int ms) { try { Thread.sleep(ms); } catch (InterruptedException e) { } } public void setText(final TextView v, final String str) { runOnUiThread(new Runnable() { public void run() { v.setText(str); } }); } private void updateReceivedData(final byte[] data) { if (timer != null) { timer.cancel(); } timer = new Timer(); timer.schedule(new TimerTask() { public void run() { clearText(); } }, 1000); for (int i = 0; i < data.length; i++) { Log.i("Check", String.valueOf(data[i])); } strData += new String(data); if (strData.length() >= 40) { new Thread(new Runnable() { public void run() { isBusy = true; timer.cancel(); String[] strArray = strData.split(new String(new byte[]{0x0D, 0x0A})); if (strArray[1].equals(strArray[2])) { String id = strArray[1]; playSound(); setText(textData, id); sleep(3000); } clearText(); sleep(1000); setText(textData, "Tap your card"); isBusy = false; } }).start(); } } }