bluetooth

Hallo, da ich mit Bluetooth bisher keinerlei Erfahrungen habe wäre es schön etwas über die Möglichkeiten zu erfahren und ob es für meine Zwecke überhaupt Sinn macht sich da einzuarbeiten. Bisher funktioniert der Datenaustausch zwischen meinem Windowsrechner und der Androidapp über WLAN und ein...

Moved to the B4R Questions

Hello, I need help, if possible. I have a B4A App that+ uses @agraham EscPosPrinter class to print to a BT Printer (40 columns). It works flawlessly, except in Android 11. It prints the first ticket and stop ate the middle of the second one Attached I send you an example from a Android 8 tablet...

Hello All, My App prints (EscPOS Bluetooth printer) without errors or issues in Android 8 thru 10, but in Android 11 (Samsung Tab Active3) it can't print the whole ticket It always stop half way, even with resets between the prints, and after it misprints, I cannot print anything else. I have to...

Hi everyone - I am very new to B4A (competent in VB) and am struggling to implement a 3 channel scope (to display ECGs) from a Buetooth data stream from an Arduino with HC-06 and an Analog front end. I know my Arduino side it working well and sends each channel as text with a header "P1 " then...

Hi everyone, I've a question. There is a way to forward notifications to an bluetooth device, like the 10$ smartwatch does? Thanks

First, someone post nice simple demo for bluetooth printing(BTPrint.zip) but unfortunately I can't find this again for giving credits, but who ever is , thanks. Now, here is also demo based on this example mention in beginning but made decoration with necessary buttons and fields for better...

Introduction I've been developing mobile application for over 25 years (Telxon, Symbol, Windows Mobile, Xamarin, CF.net). Up until now the barcode scanners were integrated into the mobile device. I decided to see if I could develop an architecture as robust and flexible as I did on integrated...

In the thread BT Pages Example, a new version of the BT example was created using Pages. Since I'm just looking at Pages for the first time, I popped the new and old versions into a code comparison utility (old version is linked in the new example post). However I found that, while with reason...

Hello How can I use the code of this link in b4i? is it possible?

RPM meter connected to Bluetooth OBD plug with ELM327. To request RPM you send to the ELM327 "010C" and the reply is: 7E8 04 41 0C 0D 80 . 7E8 = reply to test, 04 = reply with 4 bytes, 41 = reply OK, 0C = PID (command) echo, 0D 80 = 2 bytes of data. Most of the code is derived from Erel's examples.

I am using the BLE2 Library V1.38 and the latest B4A. The app is used to calibrate BLE-based equipment that I designed and generally works well. The company selected a generic tablet to issue to the calibration companies, the idea being that a standard device is easier to support, even though it...

Hello all, I would like to write an Android app that allows the phone to act like a Bluetooth HID keyboard. I want to send keystrokes and commands from the app to a BIuetooth-enabled computer. Is that possible with the BLE Peripheral library? Can someone please show me an example of how it is...

Hi How do I connect to the encrypted Bluetooth module HM-17? I want to connect to the HM-17 Bluetooth module through the Serial/BluetoothAdmin library What should I do? I also visited the post below, but no connection was made...

B4A - coder needed- Have an urgent job to do- Google maps GPS- WiFi- Bluetooth coding. Anyone interested pls contact me with your fees and ability-outline to work on this project on : [email protected]. :) Thanks Rob -o-o-

Hola! Tengo una aplicación desarrollada en B4A de un sistema de autoventa con impresión de albaranes que funcionaba desde hace años, pero a raíz de instalar la versión 9.8 me ha dejado de imprimir vía bluetooth en ciertos dispositivos antiguos, en otros sigue imprimiendo bien, y en otros...

Hi, I'm using the updated example from here: https://www.b4x.com/android/forum/threads/android-bluetooth-bluetoothadmin-tutorial.14768/ Discovery works with targetsdkversion="28" (Android9), but fail with targetsdkversion="29" (Android10). As I want to use in my app the latest features from...

Hello, I use Bluetooth BLE for my APP (iBLE 2.01). It works fine with iOS 12 (iphone 5 and iPad), but I have this error with iOS 13.3 (iPhone X) It crash after this line : Application_Start Application_Active Page1_Appear SignalHandler 6 Error occurred on line: 3874 (ChoixSession) Signal -...

I´m testing the bluetooth connection. When I run the program it reads all bluetooth arround and stop. If I go to Android Config anf disable the bluetooth the "Serial_Conected" routine inside BluetoothAdmin is calling without stop, even if you turn the bluetooth on again it doesn´t stop calling...

Hi B4A Masters... Can anyone here help me to wrapping MODBUS RTU? I have to create an application which will communicate with Bluetooth HC05 @ PLC Board using stardard Modbuss RTU. And how much I have to donate for this library?