App for File transfer via Bluetooth

[Abhishek Raj]

Hi,

I am working on a app to send file to connected device over bluetooth.

kindly have a look on attached image and suggest.

[Ghica]

It would help if you would explain what kind of file you would like to send via Bluetooth.

A basic communication example between two BT devices is here: https://puravidaapps.com/btchat.php

Cheers, Ghica.

[Abhishek Raj]

ok, i want to send (.hex) file via bluetooth

[Ghica]

Hi Abishek,

This asks for more questions: where is the .hex file coming from and where do you want to send it to? And why?? Something like a micro:bit??

In that case you need BLE and I am not so sure you would want an App Inventor app for it.

Cheers, Ghica.

[Abhishek Raj]

ok I am trying to answering all questions.

.hex file is coming from Arduino , i exported sketch in .hex formate.

because i want to upload Arduino sketches via bluetooth as per my requirement

have a look on attached example of .hex file  i want to upload this file via app to Arduino using bluetooth

 

[Abraham Getzler]

See attached screen shot of what your "hex" file looks like in Notepad++.

There's hex, and then there's hex.

You are sending text, restricted to letters 0-F.

This is fine if you want to study internal number representations,

or a pain in the next if you just want numerical readings.

Which do you want?

Maybe it's time to show us your .ino source?

ABG

[Abhishek Raj]

sir, 

just forgot hex and Arduino, consider we have to send a image via bluetooth from one android device to another device, then how we can develop a code via MIT 

kindly have a look on attached file.